(Read book 1, Percy Jackson and the Snow Queen, then book 2 Larissa and the Lost Queens: Air) Larissa, Will, and Tia(recently transformed from being Queen Elena) had just got back, and had spent 2 days resting, on the third morning they left to go find another Queen in the fiery world of Serephin. Join them as they go on another fun-filled adventure.

Back from the fiery realm of Serephin, Larissa, Tia, Will, and their new friend Shyann they go on another adventure! Nixie, who had to return to her world, gave them the next necklace. And this time they're going underwater, to the magical realm of Nereyda!