Percy Jackson & the Olympians – Rick Riordan

1. The Lightning Thief
2. The Sea of Monsters
3. Titan’s Curse
4. Battle of the Labyrinth
   1. The Sword of Hades
5. The Last Olympian
   1. The Singer of Apollo
      1. Series ended

The Heroes of Olympus – Rick Riordan

1. The Lost Hero
2. The Son of Neptune
3. The Mark of Athena
4. The House of Hades
5. The Blood of Olympus
   1. Series ended

The Kane Chronicles – Rick Riordan

1. The Red Pyramid
2. The Throne of Fire
3. The Serpent’s Shadow
   1. Series ended

Crossover Percy & the Kanes – Rick Riordan

1. Son of Sobek
2. The Staff of Serapis
3. The Crown of Ptolemy
   1. Series ended

Magnus Chase and the Gods of Asgard – Rick Riordan

1. The Sword of Summer
2. The Hammer of Thor
3. The Ship of the Dead
   1. Series ended

The Trials of Apollo – Rick Riordan

1. The Hidden Oracle
2. The Dark Prophecy
3. The Burning Maze 
4. The Tyrant’s Tomb 
5. The Tower of Nero