If You Liked Eragon by Christopher Paolini, you might also like...

The Wheel of Time by Robert Jordan
The peaceful villagers of Emond's Field pay little heed to rumors of war in the western lands until they are attacked by troll-like minions of the Dark One, and three young men are forced to confront their destiny.

1. From the Two Rivers (The Eye of the World, Part 1)
2. To the Blight (The Eye of the World, Part 2)
3. The Hunt Begins (The Great Hunt, Part 1)
4. New Threads in the Pattern (The Great Hunt, Part 2)
5. The Dragon Reborn
6. The Shadow Rising

The Ranger’s Apprentice by John Flanagan
When fifteen-year-old Will is rejected by battleschool, he becomes the reluctant apprentice to the mysterious Ranger Halt, who protects the kingdom from danger.

1. The Ruins of Gorlan
2. The Burning Bridge
3. The Icebound Land
4. The Battle for Skandia
5. The Sorcerer of the North
6. The Siege of Macindaw
7. Erak's Ransom
8. The Kings of Clonmel
9. Halt’s Peril (to be published November 2009)

The Pit Dragon Chronicles by Jane Yolen
Dragon’s Blood
Jakkin, a bond boy who works as a Keeper in a dragon nursery on the planet Austar IV, secretly trains a fighting pit dragon of his own in hopes of winning his freedom. (Followed by: Heart's Blood and A Sending of Dragons.)

The Dragonlance Chronicles by Margaret Weis
A Rumor of Dragons (Dragons of Autumn Twilight, Part 1)
The dragons have returned to Krynn and the darkness of war threatens to engulf the land. A group of friends are forced into the unlikely roles of heroes: Tanis Half-Elven, their leader, a skilled warrior who detests fighting; Sturm Brightblade, a knight driven to restore the honor of the knighthood; Raistlin Majere, the powerful and unsettling magic-user; Caramon, a genial giant; Flint Fireforge, the gruff old dwarven fighter; and Tasselhoff Burrfoot, immune to fear and followed by trouble wherever he goes. (Followed by: Night of the Dragons, The Nightmare Lands, To the Gates of Palanthas, Hope’s Flame, and A Dawn of Dragons.)

The Lord of the Rings by J.R.R. Tolkien
The Fellowship of the Ring
The Two Towers
The Return of the King

The Lost Years of Merlin by T.A. Barron
The Lost Years of Merlin
Washed ashore with no memory, a boy struggles to discover his past. What he learns first is that he has magical powers. His quest leads him to the isle of Fincayra, where he joins forces with a girl and a heroic little giant to free the isle from an evil power. (Followed by: The Seven Songs of Merlin, The Fires of Merlin, The Mirror of Merlin, and The Wings of Merlin.)

The Naming  by Alison Croggon
Sixteen-year-old Maerad, an orphan gifted in the magic and power of the Bards, escapes from slavery and begins to learn how to use her Gift to stave off the evil Darkness that threatens to consume her world.      (Followed by: The Riddle and The Crow.)

The Earthsea Cycle by Ursula K. LeGuin
A Wizard of Earthsea
A boy grows to manhood while attempting to subdue the evil he unleashed on the world as an apprentice to the Master Wizard. (Followed by The Tombs of Atuan and The Farthest Shore.)

The Farsala Trilogy by Hilari Bell
The Fall of a Kingdom
The land of Farsala has been prosperous and respected, but now three young people,Jiaan, Soraya, and Kavi see time's wheel turning, with Farsala headed towards destruction. (Followed by: The Rise of a Hero and Forging the Sword.)

The Thief by Megan Whalen Turner
Gen flaunts his ingenuity as a thief and relishes the adventure which takes him to a remote temple of the gods where he will attempt to steal a precious stone.  (Followed by: The Queen of Attolia and The King of Attolia.)

The Ivory Lyre by Shirley Rousseau Murphy
With the help of shape-shifting dragons, dragonbards Tebriel and Kiri are instrumental in inciting an uprising against the Dark and in locating the magical ivory lyre. (Followed by: The Dragonbards.)

Sabriel by Garth Nix
Sabriel, daughter of the necromancer Abhorsen, must journey into the mysterious and magical Old Kingdom to rescue her father from the Land of the Dead.  (Followed by: Lirael and Abhorsen.)

Pendragon by D.J. MacHale
Bobby Pendragon is a seemingly normal and somewhat reluctant 14- year-old boy who is swept into an amazing five-year quest, traveling from one world to another with his mysterious uncle.

1. Merchant of Death
2. The Lost City of Faar
3. The Never War
4. The Reality Bug
5. Black Water
6. The Rivers of Zadaa
7. The Quillan Games
8. The Pilgrims of Rayne
9. Raven Rise

Sign of the Qin by L.G. Bass
In long-ago China, Prince Zong, the mortal young Starlord chosen to save humankind from destruction, joins the twin outlaws, White Streak and Black Whirlwind, to fight the Lord of the Dead and his demon hordes. (Outlaws of Moonshadow Marsh; Book One)

The Belgariad by David Eddings
Long ago, the evil god Torak sought dominion and drove men and gods to war. But Belgarath the Sorcerer led men to reclaim an Orb that protected the West. So long as it lay at Riva, the prophecy went, men would be safe. But Garion did not believe in the old stories. Brought up on a quiet farm by his Aunt Pol, how could he know that someone planned to wake Torak, or that he, Garion, would be led on a quest of unparalled magic and danger by those he loved. For he had no knowledge, yet, of his strange heritage.

1. Pawn of Prophecy
2. Queen of Sorcery
3. Magician’s Gambit
4. Castle of Wizardry
5. Enchanter’s End Game

The Hero and the Crown by Robin McKinley
Aerin, with the guidance of the wizard Luthe and the help of the blue sword, wins the birthright due her as the daughter of the Damarian king and a witchwoman of themysterious, demon-haunted North.    (Followed by: The Blue Sword.)

The Stowaway by R.A. Salvatore
A twelve-year-old orphan who possesses a stone that brings good luck to its owner runs afoul of a terrifying half-demon, but finds an ally in the elf Drizzt Do'Urden. (Stone of Tymora; bk. 1)