What books are recommended for 8th graders to read?

Assuming your into fantasy, These are pretty good

Action Books: The Way of Kings by Brandon Sanderson, The Wheel of Time by Jordan Robert and Codex Alera by Jim Butcher

Action+Romance: The Warrior Heir by Cinda Williams Chima, and Threat from the Sea by MelOdom

Action+Mystery: Storm Front by Jim Butcher, Something from the Nightside by Simon Green

Most of these are kinda big though, 1000-350 pages long

Some shorter ones are: Into the Wild by Erin Hunter and Webmage by Kelly McCullough

Hope you like them!