Every Rule is a great online library.

Holes
Harry Potter
The River
Hatchet
Matilda
The Chronicles of Narnia
Shiloh
Redwall
The Lion the Witch and the Wardrobe
Wringer
The Great Fire
Loves Music Loves to Dance
The Giver
Dragon's Gate
Cry In The Night
Wolf Rider
Where the Red Fern Grows
The BFG
Walk Two Moons
Woodsong
My Side of the Mountain
Out of the Duest
The Ancient One
Bud, Not Buddy
The View from Saturday
A Long Way from Chicago
Lily's Crossing
Missing May
A Year Down Yonder
A Single Shard
A Girl Named Disaster
A Summer to Die
Under the Blood Red Sun
Yolanda's Genius