Dark Day in the Deep Sea (Turtleback School & Library Binding Edition) (Magic Tree House) Turtleback School & Library Binding edition

FOR USE IN SCHOOLS AND LIBRARIES ONLY. After being led to a tiny deserted island in the middle of the ocean by the magic tree house, Jack and Annie are rescued by a ship of explorers and scientists and end up in the midst of their new companions' dangerous quest to find the elusive sea monste