The merle is fast becoming a very popular pattern in many breeds of dog nowadays but many Breeders are unaware of the quirks of the gene and therefore make many mistakes in breeding this beautiful coat pattern.. This pattern has attracted a lot of controversy for the wrong reasons.. The internet can be a wonderful place to gain knowledge but also can be notorious for the spread of mis-information. The Author has attempted to write this little book to help those Breeders who wish to learn more about the merle gene and how to breed healthy puppies from correctly bred bloodlines and colors... Learn about the myths surrounding the merle, their health, which colors and patterns they should not be bred to and their different markings etc, the book is also picture heavy.