Book 36 in the Magic Tree House series (2006) A novel by Mary Pope Osborne In this exciting new Merlin Mission, Jack and Annie go back in time to New York City, during one of the darkest periods in the city's history--the Great Depression. Even worse, the city is in the grip of a terrible snowstorm. To stop the blizzard, Jack and Annie must save the unicorn made famous in the Cloister's medieval tapestries. But will that be enough to help a city that faces so many troubles?
Only a man with a mysterious past could tempt the Countess from the Isle of Ice . . . Twice jilted, Grace Sheffey has given up on love. No longer capable of maintaining her elegant facade with her intimate circle of friends, she has little choice but to flee . . . right into the teeth of a blizzard. But when her wretched carriage ride ends in disaster, a rugged, imposing stranger is waiting to save her life . . . and her heart.