The saga and success of <i>The Magic Tree House</i> continues! The tenth adventure, <i>Ghost Town at Sundown</i>, is filled with the excitement, action, and fun facts <i>always</i> found in <i>Magic Tree House</i> books.<br> Morgan le Fay has promised to make Jack and Annie masters of the tree house if they can solve four riddles. In <i>Ghost Town at Sundown</i>, 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.