Martingale-Martingale & Company: Happy-Gurumi. Crochet everything from a friendly dog and funny frog to a hot air balloon. Learn to make whimsical toys with puppet-style open mouths sure to tickle kids of all ages in three themes: party time, animal friends, and the great outdoors. This book contains twenty projects with detailed instructions and images. Author: Vanessa Chan. Softcover, 80 pages. Published Year 2015. ISBN 978-1-60468-481-0. Imported.