tams is the MUST HAVE book that ALL poultry enthusiast, hobbyists, and breeders should read. It is well written and easy to understand. If you have an interest in color patterns, comb types and morphological characters this book will lead you down the correct path to making your own experiments and crosses. Get your copy today, sit back, crack open the cover and you will not be able to put it down. You will want it by your side for all your genetics questions and experiments.