Nimbus, a lonely pegasus, searches for a fallen star to wish for a friend and meets a unicorn named Kelp along the way.

The myth has been told for centuries: Brothers Zeus, Poseidon, and Hades waged a years-long war against their father, Cronus, and the tyrannical Titans. Upon their mighty victory, Zeus split the world into three. For himself, he claimed the Sky and what fell below it. To his brother Poseidon, he assigned dominion over the Sea. And his oldest brother, Hades, would rule the Underworld. While Hades tried to make the best of a lonely situation, eternity...

"A publisher in New York asked me to write down what I know about the Greek gods, and I was like, Can we do this anonymously? Because I don't need the Olympians mad at me again. But if it helps you to know your Greek gods, and survive an encounter with them if they ever show up in your face, then I guess writing all this down will be my good deed for the week. So begins Percy Jackson's Greek Gods, in which the son of Poseidon adds his own magic--and...

Despite the warnings of her friends at Mount Olympus Academy, Persephone befriends bad-boy Hades, but following her mother's advice to "go along to get along" complicates her relationships with all of them.

The disappearance of the goddess Artemis while out hunting a rare, ancient monster, prompts a group of her followers to join Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.