books.google.com - This volume takes readers through all the knowledge that is required to enable them to get the best from their digital SLR cameras....https://books.google.com/books/about/Digital_SLR_Handbook.html?id=fuNItwAACAAJ&utm_source=gb-gplus-shareDigital SLR Handbook
John Freeman is a highly experienced professional photographer and the author of several books on photography, including Collins Digital SLR Handbook and Need to Know? Digital SLR Photography. John has a regular column in What Digital Camera? and Digital Camera magazines, and his work can be viewed at his frequent exhibitions and on his website.