Book excerpt: Learn how renowned wildlife photographer and conservationist David Yarrow manages to get his incredible shots. For two decades Yarrow has been venturing further and further afield in search of amazing animals to photograph. Here he shares the incredible knowledge and stories he has gathered along the way and distils them down into the key lessons to take into your own photography. Including guides to composition and perspective, tips on using remote cameras and dealing with dangerous animals, and the philosophy behind his boundary-pushing approach to image taking.