Nothing More to Tell by Karen M. McManus
Percy Jackson And The Lightning By Rick Riordan
Join Percy Jackson, a troubled yet remarkable demigod, as he uncovers his divine heritage, trains at Camp Half Blood, and embarks on a perilous cross-country quest with his friends - a satyr and Athena's demigod daughter. Their mission: halt an impending war among gods by reaching the Underworld's gates hidden in a Hollywood recording studio.
Percy Jackson and the Olympians The Sea of Monsters by Rick Riordan
In "The Sea of Monsters," Percy Jackson faces a new threat to Camp Half-Blood as its protective barriers weaken. With his friends Grover, Annabeth, and Tyson, he embarks on a quest through the Bermuda Triangle to retrieve the Golden Fleece and save the camp. Along the way, Percy uncovers a shocking family secret that shakes his sense of identity.