What parents need to know
Parents need to know that Percy Jackson: Sea of Monsters is the sequel to Percy Jackson and the Olympians: The Lightning Thief -- both of which are based on Rick Riordan's best-selling fantasy book series. Riordan's action- and humor-packed tales are enormously popular with elementary-school readers, but, like its predecessor, this big-screen adaptation does include violence and peril-filled scenes (and a few presumed deaths) that could scare younger kids -- even if they're familiar with the story. Unlike the first movie, there aren't any inappropriate references to sexy women or relationships. Ultimately, this is a hero's journey in which a main character and his friends save each other and defeat evil.