Christopher discovers the Archipelago, a world where mythological creatures were secreted away by magic long ago, but those creatures are now dying, and it is up to Christopher and Mal, a girl from the Archipelago, to save both of their worlds.

When Lana and her father return home to clean up after a big storm, Lana rescues an injured small magical sea horse-like creature.

"Kiela has always had trouble dealing with people. Thankfully, as librarian at the Great Library of Alyssium, she and her assistant Caz--a magically sentient spider plant--have spent the last decade sequestered among the empire's most precious spellbooks, preserving their magic for the city's elite. Then a revolution begins and the library goes up in flames. She and Caz flee with all the spellbooks they can carry and head to a remote island Kiela...

Prince Lucas would rather be enjoying the outdoors with his best friend, Clara, than learning to play the lute, until a visiting bard demonstrates the power of music.

Julie welcomes all lost and homeless creatures into her house, whether they be cats or trolls, ghosts or dragons, but soon realizes that each must have a chore in order for the arrangement to work.

How do you handle an encounter with Medusa on the New Jersey interstate? What's the best way to take down a minotaur? Become an expert on everything in Percy's world with this must-have guide to the Percy Jackson and the Olympians series. Complete with interviews, puzzles, games, and original short stories by Rick Riordan.