Also available digitally from publisher Dorling Kindersley.
US Version: One Ball of Yarn ISBN: 9781465436092
German Version: Große Maschen ISBN: 3831023972
US version: One Ball of Yarn ISBN: 9781465436092
Ebook: One Ball of Wool ISBN: 9780241242216
Hardcover published in August 2015 by Dorling Kindersley
dk.com