Harry Potter and the Half-Blood Prince
J. K. Rowling
Harry Potter (6)
Fledglings
Fobbie & Virgil134
Three Days of Happiness
Sugaru Miaki
Three Days of Happiness (1)
Flowers for Algernon
Daniel Keyes
The Lost Hero
Rick Riordan
The Heroes of Olympus (1)
The Son of Neptune
The Heroes of Olympus (2)
Percy Jackson's Greek Heroes
Rick Riordan & John Rocco