Where has Mr. Barrington gone? Follow Hannah, Nick, and Jackie back in time to the Texas Revolution as they search for clues leading to the missing Texas history teacher. Mr. Barrington's niece, Miss Barrington, begins the countdown to the past when she opens the lid on the mysterious trunk belonging to her uncle. She and the girls suddenly find themselves in 1836, traveling with a Texian soldier transporting ammunition for General Sam Houston only...