10 books in series

Everworld

Everworld is a 10-book series with 10 released primary works first released in 1999 with contributions by Katherine Applegate and K. A. Applegate.

Land of Loss
Enter the Enchanted
Realm of the reaper
Fear the Fantastic
Gateway to the Gods
Brave the Betrayal
Inside the Illusion
Everworld
Mystify the Magician
Entertain the End