After a long while, Isa has returned to Camp Half-Blood. She has so many stories to tell her first true friends. But what will happen when she finds out Grover is being held hostage by Polyphemus and has to go on a quest to save him? What will happen when our heroes find out Percy has a Cyclops brother? What will our heroes do when somebody poisons Thalia's Tree? Is being claimed by Poseidon really the honor Percy first made it out to be? How will Isa's new recruit, Ben, handle this situation? Find out by reading Warped: The Sea of Monsters!
17 parts