Magic Tree House 10: Ghost Town at Sundown

by Mary Pope Osborne

Morgan le Fay has promised to make Jack and Annie masters of the tree house if they can solve four riddles. In Ghost Town at Sundown, the Magic Tree House whisks Jack and Annie back to a ghost town in the Wild West of the 1880s. There, they meet a mustang herder named Slim as they search for the answer to the second riddle.

In paperback.