Blizzard of the Blue Moon /
by Mary Pope Osborne ; illustrated by Sal Murdocca.
- 1st ed.
- New York : Random House, c2006.
- 110 p. : ill. ; 22 cm.
- Magic tree house ; #36 .
"A Merlin Mission." "A Stepping Stone Book."
The magic tree house carries Jack and Annie to New York City in 1938 on a mission to rescue the last unicorn.