Download or read book Mamo Is Trading Again! written by Janine Wheeler and published by National Geographic Learning. This book was released on 2004 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Ethopian Tale. A little goat herder starts out his day with a special game board from his father. Somebody takes it from him, and he spends the rest of the day trading things until he gets a new game board.