Percy Jackson fans will embrace this humorous time-travel adventure that sends Mel and his friends right into the Civil War's Battle of Gettysburg. Mel, Bev, and Brandon--the Left Behinds--are at it again. When the iTime app on their phones sends them to Washington, D.C., in 1863, they find themselves smack dab in the middle of the Civil War. They sit in on a s ance with First Lady Mary Todd Lincoln and are shown every inch of the White House by Tad,...