Magic Tree House Collection: Books 37-40: Dragon of the Red Dawn; Monday with a Mad Genius; Dark Day in the Deep Sea; Eve of the Emperor Penguin

This four-story collection includes:Dragon of the Red DawnMerlin the magician will not eat or sleep or speak to anyone in Camelot. What can be done? The enchantress Morgan knows who to ask for help: young Jack and Annie of Frog Creek, Pennsylvania! Monday with a Mad GeniusThey know they have to search for one of the four secrets of hap More »