Johnstone Matthew Johnstone 
Roedd Gen i Gi Du [PDF ebook] 

In this book, Matthew Johnstone takes a sensitive look at the experience of living with depression – the Black Dog – enlightening and inspiring us. He also portrays the strength and motivation that is within us to tame the Black Dog. It can be a terrible beast at times, but the first step towards recovery is not to hide it. A striking book that will inspire all.