Adventure & Fantasy
12 (any)
The Hobbit
12 (any)
The Letter for the King
14 (any)
Terry Prachett´s Wee Free Men and Discworld Series
14 (any)
Treasure Island
14 (any)
King Solomon`s Mines
14 (any)
Around the world in 80 days
14 (any)
Twenty Thousand Leagues under the Sea
16 (any)
Lord of the Rings
Science Fiction
14 (any)
Ender´s Game
16 (any)
Hitchhiker´s Guide to the Galaxy
16 (any) the Dirk Gently Books (
1 &
2)
Philosophy
10 (any)
The Little Prince
14 (any)
Sophie´s World
16 (any)
Life of Pi
16 (any)
The Alchemist
I only named the book of each author that stood out the most in my memory - in all cases, I enjoyed other works by the same authors as well.