Iron Widow
Xiran Jay Zhao
Iron Widow (1)
A Quiet Universe
Kay F. Atkinson
Engineering Management for the Rest of Us
Sarah Drasner
Practical Elm
Alex S. Korban
Percy Jackson and the Sea of Monsters
Rick Riordan
Percy Jackson and the Olympians (2)
The Chalice of the Gods
Percy Jackson and the Olympians (6)
The Lost Hero
The Heroes of Olympus (1)
The Son of Neptune
The Heroes of Olympus (2)
Percy Jackson's Greek Heroes
The Heroes of Olympus (5.50)
The Tower of Nero
The Trials of Apollo (5)