"April 8, 1942 was a dangerous day." That's what the note said. The one from Mom and Dad. George and Gracie find it in their parents' papers but they don't have a clue what it means. The time machine lands them in the ocean next to St. Simons Island, Georgia. In a rubber dinghy. With a bike they have to return to Landry's Bike Shop--in the middle of World War II George is a ginormous, hairy, slobbery dog and boy does he love that...