This book has been prepared to render it of maximum usefulness to the reader. Please refer to the photographs provided which provide the Contents of this hardback 415-page book. Note the remnant paper affixed to one of the opening pages and note that the pull out diagram of a modern boiler plant is turned up at the edge, nothing serious but noted for accuracy. Please refer to all photos provided as they are of the book you will receive. Any questions? Please get in touch prior to purchase.