Description from Google Books:

From New York Times bestselling author of The Leaf Thief comes the funny snowy companion picture book that teaches kids about winter, adapting to change, and the seasons. Squirrel and Bird are back, and this time it's winter! But squirrel has never seen snow before. Will he like it? You bet he will! Except, just as Squirrel starts to get used to the snow, it disappears. Is there a snow thief on the loose? With vibrant art and captivating characters, the magic of winter is captured beautifully on each page as readers tag along Squirrel's forest adventure. Is there truly a snow thief on the loose, or is something else going on in Squirrel's forest? A perfect exploration of change--both seasonal, and the anxiety that change sometimes causes. Bonus material explaining about the changing of the seasons. Poised to be a new fall classic. Pick up The Snow Thief if you are looking for: A classic read for ages 4 and up Back to school books, ideal for your classroom, homeschool curriculum, and more! Seasonal and educational stories about the changing seasons

Snippet from Google Books:

When Squirrel sees snow for the first time, Bird helps him adjust, but just as Squirrel starts to enjoy it, the snow disappears, leaving Squirrel convinced a thief is on the loose.