"American fiction 20th century." . . "1775 - 1783" . . . . . "Juvenile works" . . "Revolutionary War on Wednesday" . "Revolutionary War on Wednesday/Twister on Thursday/Earthquake in the Early Morning" . . . . "Fiction" . . . . . . . . "Revolutionary war on Wednesday" . . "Using their magic tree house, Jack and Annie travel back to the time of the American Revolution and help General George Washington during his famous crossing of the Delaware River." . . . . . . . . . . . . . "United States" . .