Based upon the ubiquitous Grant/ Sherman tank the M7 Priest is the iconic Allied self-propelled howitzer. It was the most widely manufactured vehicle of its type in World War ll & was utilized by the US British Canadian & Free French forces. Its combat debut was with Montgomery's Eight Army at El Alamein & it fought subsequently in every major campaign through Sicily Italy Normandy & the final battles in Germany. In addition to covering all variants of the Priest this book also looks at the major derivatives including the British/ Canadian Sexton & the US M12 155mm GMC.