(because there are too many to limit it to ten)

 

The Chronicles of Prydain by Lloyd Alexander

The Folk Keeper by Franny Billingsley
The White Cat by Holly Black

The Paladin of Souls by Lois McMaster Bujold
Curse Dark as Gold by Elizabeth Bunce
Graceling and Fire by Kristin Cashore

The Dark Is Rising Sequence by Susan Cooper
Beautiful Darkness by Kami Garcia and Margaret Stohl

The Goose Girl by Shannon Hale

Dreamhunter Duology by Elizabeth Knox

The Earthsea Cycle by Ursula K. Le Guin

The Song of Ice and Fire by George R. R. Martin

The Riddle-Master of Hed Trilogy by Patricia A. McKillip

The Hero and the Crown by Robin McKinley

Beast by Donna Jo Napoli

The Abhorsen Trilogy by Garth Nix

East by Edith Pattou

His Dark Materials by Philip Pullman

The Lord of the Rings by J. R. R. Tolkien

 

Top Fifteen Science Fiction Titles

In Alphabetical Order by Author

The Company series by Kage Baker

Spacer and Rat by Margaret Bechard

Fahrenheit 451 by Ray Bradbury

Ender's Game by Orson Scott Card

Things Not Seen by Andrew Clements

The City of Ember by Jeanne DuPrau

The Mount by Carol Emshwiller

The House of the Scorpion by Nancy Farmer

Singing the Dogstar Blues by Alison Goodman

Brave New World by Aldous Huxley

A Wrinkle in Time by Madeleine L'Engle

The Giver by Lois Lowry

The Dragonriders of Pern series by Anne McCaffrey

Doomsday Book and Blackout by Connie Willis