Blizzard of the Blue Moon (Magic Tree House) Hardcover – September 26, 2006 by Mary Pope Osborne (Author), Sal Murdocca (Illustrator)
Book 8 of 27: Magic Tree House: Merlin Missions
 
Jack and Annie are off on another Merlin Mission. This time, Merlin has sent them to rescue a beautiful magical creature—the unicorn. But when they land in New York City during the Depression of the 1930s, Jack and Annie are confused. Where will they find a unicorn in a big city?
 
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