Blizzard Of The Blue Moon (Turtleback School & Library Binding Edition) (Magic Tree House)

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? From the Hardcover edition.