Up2U Adventures—where the ending is Up2U! When young Archer and his partner, Bull, find a silver vein in the Arizona desert, they think they will be rich. But Cactus Flats is a town with many dangers and men waiting to double-cross them. Will Bull and Archer survive the Wild West? The ending is Up2U, so which ending will you choose? Calico Chapter Books is an imprint of Magic Wagon, a division of ABDO Group. Grades 2-5.