$5.00 Magic Tree House #4:Abe Lincoln at Last! Paperback -Jack and Annie are ready for their next adventure in the New York Times bestselling middle-grade series—the Magic Tree House. Are you ready for a presidential adventure? Jack and Annie are! They are trying to get a special feather that will help save Merlin’s baby penguin, Penny. When the magic tree house whisks them back to Washington, D.C., in 1861, Jack can’t wait to meet Abraham Lincoln himself! But the new president is too busy to see them, as he is desperately trying to save a nation in crisis.