Heroes in Training 4-Books-in-1! Volume Two: Typhon and the Winds of Destruction; Apollo and the Battle of the Birds; Ares and the Spear of Fear; Cronus and the Threads of Dread

Perseus and the Monstrous Medusa (Heroes in Training)

Crius and the Night of Fright (Heroes in Training)

Uranus and the Bubbles of Trouble (Heroes in Training)

Hephaestus and the Island of Terror (Heroes in Training)

Heroes in Training 4-Books-in-1!: Zeus and the Thunderbolt of Doom; Poseidon and the Sea of Fury; Hades and the Helm of Darkness; Hyperion and the Great Balls of Fire

The Heroes in Training Collection Books 1-4: Zeus and the Thunderbolt of Doom; Poseidon and the Sea of Fury; Hades and the Helm of Darkness; Hyperion and the Great Balls of Fire

Hyperion and the Great Balls of Fire (Heroes in Training)

Hermes and the Horse with Wings (Heroes in Training)

Hades and the Helm of Darkness (Heroes in Training)

Poseidon and the Sea of Fury (Heroes in Training)