"Engines of War" is a science fiction novel by George Mann, published in 2014 by Crown Publishing Group, T.H.E. The novel is a part of the Doctor Who series and combines elements of time travel, action, and adventure. With a trade paperback format and measuring 8 inches in length, 5.2 inches in width, and 0.7 inches in height, this 320-page book is a must-read for fans of the Doctor Who franchise and science fiction enthusiasts. The story's captivating narrative and engaging plot make it a valuable addition to any book collection.