This is a good reference book covering many topics that are useful to a naval architect. However, at a price of nearly £130 I do not expect the book's binding to fall apart so easily, and the pages to start to drop out. The book is about 5.5cm thick, and pages are not stitched and glued to the spine, but merely glued. This is the second book that Amazon has sent me, after I sent the first one back for the same reason. This time I'll be asking for a refund instead of a replacement! A very cheaply made book at a very expensive price.