This pattern is no longer available individually for sale, as it is included in a book, Star Wars Crochet: http://www.amazon.com/Star-Wars-Crochet-Kits/dp/1626863261

Errata:
Don’t change colour after round 31, continue with light brown yarn.
Round 35 should read ‘Rnd 35: sc2tog 12 times - 12 st’.