Rick Riordan complete collection

This collecton contains all of Rick Riordan's books.

1. Percy Jackson and the Olympians(7)-
I. The Lightening Thief
II. The Sea of Monsters
III. The Titan's Curse
IV. The Battle of the Labyrinth
V. The Last Olympian
VI. The Demigod Files
VII. Percy Jackson and the Greek Gods

2. Heroes of Olympus(6)-
I. The Lost Hero
II. The Son of Neptune
III. The Mark of Athena
IV. The House of Hades
V. The Blood of Olympus
VI. The Demigod Diaries

3. Kane Chronicles(3)-
I. The Red Pyramid
II. The Throne of Fire
III. The Serpent's Shadow

4. Percy Jackson and Kane Chronicles Crossover(3)-
I. The Son of Sobek
II. The Staff of Serapis
III. The Crown of Ptolemy