Book excerpt: This book shows you photographs or a drawing of every currently recognised taxon in the primate order with a synopsis of what is known about all 505 species. The information has been compiled by over 300 primatologists from around the world, who have done field research on their particular lemur, loris, galago, monkey, or ape in its natural habitat. The book illustrates these primates with over 1500 photographs and provides over 5000 references. You will be amazed by the diversity of the worlds primates, and it will inspire you to protect endangered primates and their habitats. Fifty percent of the profits from the sale of this book will be donated to organisations working for the conservation of primates.