in which a young prince named Jason is kidnapped and his tutor, Piper needs someone to takes his place. Luckily, there is a semester named Percy who can help.

in which best friends, annabeth, hazel and piper take a camping trip to Mako Island and fall into a cave, changing their lives forever

in which Annabeth joins with a winged horse named Thalia to search for a magic wand to save her kingdom and family.