Time Cat by Lloyd Alexander   239 pages   Grade level: 4-7

• Jason and his magic cat Gareth travel through time to visit countries all over the world during different periods of history.   Check our Catalog

Whales on Stilts by M.T. Anderson   208 pages   Grade level: 4-6

• What sort of madman would unleash an army of stilt-walking, laser-beaming, thoroughly angry whales upon the world? Who cares! All that matters is that his dastardly plan be foiled.
• Series: M.T. Anderson's Thrilling tales   Check our Catalog

Mayflower Project by Katherine Applegate   178 pages   Grade level: 4-7

• The end of the world. Not something most people really think about. Not something we expect to ever really happen. But what if you found out that an asteroid the size of New Jersey was about to collide with the earth? What would you do?  Check our Catalog
• Series: Remnants  

The Kindling by Jennifer Armstrong   224 pages   Grade level: 6-9

• In 2007, a small band of children have joined together in a Florida town, trying to survive in a world where it seems that all the adults have been killed off by a catastrophic virus.  Check our Catalog
• Sequels: The Keepers of the Flame and The Kiln 

Off the Road by Nina Bawden   192 pages   Grade level: 5-8

• In 2040, eleven-year-old Tom follows his grandfather through the Wall and into the forbidden Wild, where they seek to find his grandfather's boyhood home.  Check our Catalog

Star Hatchling by Margaret Bechard   152 pages    Grade level: 4-7

• Shem and Cheko may have tails, gills, and crablike pincers, but they bicker just like any other brother and sister. When they come upon a strange, four-limbed creature in the forest, Cheko's joy at finding something to relieve her boredom overwhelmes Shem's caution; rather than take it to their elders, the two hide it in a cave and treat it as a pet. "It," in fact, is Hanna, a sullen human teen accidentally ejected from a passing starship-wishing, too late, that she'd paid more attention in her Survival and First Contact classes.   Check our Catalog

Matter of Profit by Hilari Bell   288 pages   Grade level: 6-10

• Sick of the horrors of conquering beings on other planets, Ahvrem will end his service as a soldier and save his sister from an unhappy marriage if he can discover who is behind a rumored plot to assassinate the Emperor.   Check our Catalog

Shape Changer by Bill Brittain   112 pages    Grade level: 4-8

• Two seventh-grade friends help a shape-changing policeman from the planet Rodinam as he tries to recapture an alien master criminal who can also change form.   Check our Catalog

Hermit Thrush Sings by Susan Butler   288 pages    Grade level: 5-8

• After a natural disaster has all but destroyed the earth, the orphaned and "defective" Leora, while searching for her sister, defies the oppressive laws of the land and joins a band of rebels trying to overthrow the government.   Check our Catalog

Door in the Lake by Nancy Butts   160 pages    Grade level: 4-7

• After vanishing without a trace one night during a camping trip, twelve-year-old Joey reappears two years later, showing no signs of having aged and carrying memories of a strange light in the sky.   Check our Catalog

A Dusk of Demons by John Christopher   178 pages    Grade level: 5-9

• In a future world where civilization has collapsed, fourteen-year-old Ben sets out on a journey to discover his birthright, and meets members of a technologically advanced remnant, who use machines to foster belief in Demons among the people of Ben's homeland.   Check our Catalog

The White Mountains by John Christopher   192 pages    Grade level: 5-8

• Young Will Parker and his companions make a perilous journey toward an outpost of freedom where they hope to escape from the ruling Tripods, who capture mature human beings and make them docile, obedient servants.    Check our Catalog
• Sequels: The City of Gold and Lead and The Pool of Fire

The Supernaturalist by Eoin Colfer   272 pages    Grade level: 6-12

• In futuristic Satellite City, fourteen-year-old Cosmo Hill escapes from an abusive orphanage and teams up with three other people who share his unusual ability to see supernatural creatures, and together they determine the nature and purpose of the swarming blue Parasites that are invisible to most humans.   Check our Catalog

Green Boy by Susan Cooper   208 pages    Grade level: 4-8

• Twelve-year-old Trey and his seven-year-old brother Lou, who does not speak, cross the barrier between two worlds, that of their island in the Bahamas, and a land called Pangaia, and play a mysterious role in restoring the natural environment in both places.   Check our Catalog

I Was a Sixth Grade Alien by Bruce Coville   192 pages   Grade level: 3-6

• When aliens come to Earth on an interplanetary trade mission, sixth-grader Tim makes friends with the ambassador's son and together they uncover a plot to sabotage the mission.   Check our Catalog
• Series: I was a 6th Grade Alien  

Space Brat by Bruce Coville   80 pages   Grade level: 2-4

• Although bratty Blork is good at throwing tantrums, even a megatatrum can't save his pet Toonoobie when it is taken by the Big Pest Squad.  Check our Catalog
• Series: Space Brat  

My teacher is an Alien by Bruce Coville   128 pages    Grade level: 3-6

• Susan Simmons can tell that her new substitute teacher is really weird. But she doesn't know how weird until she catches him peeling off his face -- and realizes that "Mr. Smith" is really an alien!   Check our Catalog
• Series: My Teacher  

Aliens Ate My Homework by Bruce Coville   192 pages   Grade level: 3-6

• Rod is amazed when a tiny spaceship lands in the middle of his homework. He is even more surprised when the aliens inside need his help on a vital mission.   Check our Catalog
• Series: Bruce Coville’s Alien Adventures

City of Ember by Jeanne DuPrau   288 pages   Grade level: 5-9

• In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.   Check our Catalog
• Sequels: The People of Sparks and The Prophet of Yonwood

Enchantress from the Stars by Sylvia Engdahl   288 pages   Grade level: 5-10

• When young Elana unexpectedly joins the team leaving the spaceship to study the planet Andrecia, she becomes an integral part of an adventure involving three very different civilizations, each one centered on the third planet from the star in its own solar system.   Check our Catalog

The Power of Un by Nancy Etchemendy   148 pages    Grade level: 4-8

• When he is given a device that will allow him to "undo" what has happened in the past, Gib Finney is not sure what event from the worst day in his life he should change in order to keep his sister from being hit by a truck.   Check our Catalog

Aliens for breakfast by Jonathan Etra   64 pages   Grade level: 2-4

• Finding an intergalactic special agent in his cereal box, Richard joins the extraterrestrial in a fight to save Earth from the Dranes, one of whom is masquerading as a student in Richard's class.   Check our Catalog

House of the Scorpion Nancy Farmer   380 pages    Grade level: 7+

• In a future where humans despise clones, Matt enjoys special status as the young clone of El Patron, the 142-year-old leader of a corrupt drug empire nestled between Mexico and the United States.   Check our Catalog

The Ear, the Eye and the Arm by Nancy Farmer   320 pages   Grade level: 7-10

• In 2194 in Zimbabwe, General Matsika's three children are kidnapped and put to work in a plastic mine while three mutant detectives use their special powers to search for them.   Check our Catalog

Eager by Helen Fox   280 pages   Grade level: 5-8

• Gavin Bell and his teenage sister Fleur come from a middle-class family. Their much-loved, old-fashioned robot, Grumps, is running down and can’t be repaired, so a scientist friend loans them EGR3. EGR3, known as Eager, learns from his experiences, as a child would. He feels emotions—wonder, excitement, and loss. When the ultra high-tech, eerily human BDC4 robots begin to behave suspiciously, Eager and the Bells are drawn into a great adventure.  Check our Catalog

My Life Among the Aliens by Gail Gauthier Johnston   104 pages    Grade level: 3-6

• Two brothers begin to wonder if it is their mother's unusual cooking that is attracting the aliens that keep showing up at their house.  Check our Catalog

Virtually Perfect by Dan Gutman    128 pages    Grade level: 4-8

• When twelve-year-old Yip uses his father's new software to make a computer simulation of a boy his age, the creation breaks out of cyberspace into the real world and begins to complicate Yip's life.   Check our Catalog

Escape from Memory by Margaret Peterson Haddix   224 pages    Grade level: 6-9

• Allowing herself to be hypnotized, fifteen-year-old Kira reveals memories of another time and place that may eventually cost her and her mother their lives.   Check our Catalog

Among the Hidden by Margaret Peterson Haddix   160 pages   Grade level: 5-8

• In a future where the Population Police enforce the law limiting a family to only two children, Luke has lived all his twelve years in isolation and fear on his family's farm, until another "third" convinces him that the government is wrong.   Check our Catalog
• Series: Shadow Children

Two Heads are Better than One by Hillary Homzie   80 pages    Grade level: 2-4

• Seventh grader Barton's life is terribly complicated when alien clones of him and his sister Nancy arrive on Earth and start acting in their place.
• Series: Alien Clones from Outer Space   Check our Catalog

The Iron Giant: a Story in Five Nights by Ted Hughes   56 pages    Grade level: 4-6

• Everyone feared the iron giant, but he became the world's hero when he challenged the space-monster larger than Australia.   Check our Catalog

Xenocide Mission by Ben Jeapes   387 pages    Grade level: 6-9

• In a far-distant solar system, Lieutenant Joel Gilmore and his space observation team are suddenly attacked by the very aliens they were sent to watch.  Check our Catalog

Harriet's Hare by Dick King-Smith   104 pages    Grade level: 2-4

• A young girl's life with her father on their farm in England is changed when she befriends a talking hare that is really a shape-changing alien.   Check our Catalog

Alien Secrets by Annette Curtis Klause   227 pages    Grade level: 6-9

• On her journey to the distant planet where her parents are working, twelve-year-old Puck befriends a troubled alien and becomes involved in a dangerous mystery involving a precious artifact.    Check our Catalog

Nose Pickers From Outer Space by Gordon Korman   128 pages    Grade level: 3-5

• Fourth-grader Devin is disappointed in the nerdy exchange student who comes to live with his family, until he realizes that Stan is not from Chicago but from outer space.    Check our Catalog

Children of the Dust by Louise Lawrence   183 pages   Grade level: 6-9

• After a nuclear war devastates the earth, a small band of people struggles for survival in a new world where children are born with mutations.   Check our Catalog

A Wrinkle in Time by Madeleine L'Engle   203 pages   Grade level: 4-8

• A trio of whimsical characters, intent on helping Meg find her father, take her, her brother, and a friend on an interplanetary voyage to a distant planet where an omnipotent brain has robotized everyone. 1963 Newbery Award.   Check our Catalog
• Sequels: A Wind in the Door, A Swiftly Tilting Planet and Many Waters

The Giver by Lois Lowry   180 pages    Grade level: 5-9

• At the Ceremony of the Twelves, Jonas begins to learn the horrifying truth about the perfect society in which he has grown up. 1994 Newbery Award.   Check our Catalog
• Sequels: Gathering Blue and Messenger

Aliens in the Family by Margaret Mahy   174 pages   Grade level: 4-7

• The mismatched children in a new stepfamily run into an alien who is being chased around the galaxy by an evil force. Funny, scary and touching, with plenty of action.   Check our Catalog

Can of Worms by Kathy Mackel    146 pages    Grade level: 4-7

• Misfit Grade 7 Mike half-believes he is really a stranded alien, and sends a rescue message to space. Even he is amazed when a variety of slimy, multi-armed monsters answer his call. In the equally funny sequel, Eggs in One Basket, Mike and his friends find themselves in the middle of an inter-galactic battle.   Check our Catalog

Girl Who Owned a City by O.T. Nelson   204 pages   Grade level: 6-9

• When a plague sweeps over the earth killing everyone except children under twelve, ten-year-old Lisa organizes a group to rebuild a new way of life.  Check our Catalog

Time Hackers by Gary Paulsen   96 pages   Grade level: 4-7

• You ever open your locker and find that some joker has left something really weird inside? Seventh-grader Dorso Clayman opens his locker door to find a dead body. Thirty seconds later it disappears. It’s not the first bizarre thing that has appeared in his locker and then vanished. Something’s going on.  Check our Catalog

Fat Men From Space by Daniel Pinkwater   64 pages    Grade level: 3-6

• Through his radio tooth, William learns of an invasion by spacemen who are taking all of earth's supply of junk food.   Check our Catalog

Lizard Music by Daniel Pinkwater    57 pages   Grade level: 4-7

• Victor is left at home with his teenage sister, but she soon takes off with friends. He can do whatever he wants! While watching late night T.V., he discovers that lizards from outer space are set to invade Earth. Wacky fun!   Check our Catalog

Only You Can Save Mankind by Terry Pratchett   224 pages   Grade level: 5-8

• Twelve-year-old Johnny endures tensions between his parents, watches television coverage of the Gulf War, and plays a computer game called Only You Can Save Mankind, in which he is increasingly drawn into the reality of the alien ScreeWee.   Check our Catalog

Tria and the Great Star Rescue by Rebecca Rector   184 pages   Grade level: 4-7

• On the planet Chiron, a girl who has been afraid to venture Outside must face germs and other frights when her mother and her holographic best friend, Star, are kidnapped.   Check our Catalog

Nose from Jupiter by Richard Scrimger   156 pages    Grade level: 4-7

• Alan isn't brave or strong, and he's not much good at soccer. What's more, he seems to be a bully magnet. Everything changes one day when a tiny alien from Jupiter takes up residence in Alan's nose. Alan's new condition baffles medical science, but it gives him a whole new, and hilarious, way to solve his problems.   Check our Catalog

Stinker from Space by Pamela Service   83 pages    Grade level: 3-6

• An agent of the Sylon Confederacy who is fleeing from enemy ships, crash lands on Earth, transfers his mind to the body of a skunk, and enlists the aid of two children in getting back to his home planet.  Check our Catalog

Virtual War by Gloria Skurzynski   152 pages   Grade level: 5-9

• In a future world where global contamination has necessitated limited human contact, three young people with unique genetically engineered abilities are teamed up to wage a war in virtual reality.   Check our Catalog
• Sequels: The Clones and The Revolt 

The Boxes by William Sleator    196 pages    Grade level: 5-9

• When she opens two strange boxes left in her care by her mysterious uncle, fifteen-year-old Annie discovers a swarm of telepathic creatures and unleashes a power capable of slowing down time.   Check our Catalog

Interstellar Pig by William Sleator   197 pages   Grade level: 6-10

• Barney's boring seaside vacation suddenly becomes more interesting when three exotic neighbors who are addicted to a doomsday game occupy the cottage next door.   Check our Catalog

Be First in the Universe by Stephanie Spinner   133 pages    Grade level: 3-5

• While staying with their hippie grandparents, ten-year-old twins, Tod and Tessa, discover an unusual shop at the nearby mall, where they find a lie-detecting electronic pet, a Do-Right machine, and other alien gadgets which help them foil their nemeses, the evil Gneiss twins.   Check our Catalog

River Rats by Caroline Stevermer    214 pages    Grade level: 6-10

• Nearly twenty years after the holocaust called the Flash has destroyed modern civilization, Tomcat and a group of other orphans face danger as they steer an old steamboat over the toxic waters of the Mississippi River.  Check our Catalog

JumpMan Rule #1: Don’t Touch Anything! by James Valentine   268 pages   Grade level: 5-8

• When a defective time-jumping device strands Theodore, a teen from the distant future, in the twenty-first century, he is helped by two high schoolers--Jules, who is having time problems of his own, and Gen, an old friend Jules was about to ask out.   Check our Catalog
• Sequel: Jumpman Rule #2: Don’t Even Think About it!

Space Race by Sylvia Waugh   241 pages    Grade level: 4-7

• When he learns that he and his father must soon leave Earth, eleven-year-old Thomas Derwent is upset, but a terrible accident that separates the two of them makes Thomas's situation much worse.   Check our Catalog
• Sequels: Earthborn and Who Goes Home

War of the Worlds by H.G. Wells   164 pages   Grade level: 6+

• As life on Mars becomes impossible, Martians and their terrifying machines invade the earth.   Check our Catalog