Introduces readers to classic Welsh legends as Jack and Annie return to Camelot to assist King Arthur, Merlin, and the Knights of the Round Table.

Jack and Annie experience a series of time-travel adventures. (Dolphins at daybreak) It's sink or swim for Jack and Annie when the magic tree house whisks them off to the middle of the ocean. (Ghost town at sundown) "Is this town haunted?" Jack and Annie wonder when the magic tree house takes them to the Wild Wild West. (Lions at lunchtime) "Where are the lions?" Jack wonders when the magic tree house whisks him and his sister to the vast plains of...