Description from Google Books:

From the New York Timesand USA Todaybestselling How to Catch series comes a new winter adventure! Our heroes' entry for the snowman contest has magically come to life--and ran away! Can YOU help catch it? Get ready for snow much fun as you travel through a winter wonderland with running, skating, and bouncing through trap after trap to catch the snowman and claim the winning prize. Will the snowman teach our heroes a lesson they'll never forget? Who snows! I don't thumpity-thump or give warm hugs-- that's for my snowman friends to do. Clever kids will try to trap me, but who will catch me...YOU?

Snippet from Google Books:

A very clever snowman eludes the traps of the group of children who built him as a contest entry, while gathering items for a surprise.