This is the tenth book and final collection of four stories in this wonderful series of animal adventure tales. Learn how many uses and meanings the letter "X" can have and tremble with a wild captured little yak as he yearns for freedom and home. Then finally, sneeze with Yakkidy as he migrates across the African plains to greener pastures. There are horrifying dangers he must face to get there, and he becomes the most famous zebra there ever was.