five years on and his book - now remaindered - can only be purchased on-line at some of the bigger out-of-print book sites , and is largely forgotten even by the few enthusiastic original purchasers who still possess a copy tucked away in a deep shelf at the base of their bookcases , but that is not to say that the writing was without its merit and , as a brief overview of the hugely complex process of co-ordinating and constructing a massive building , it provides as clear and concise a how to guide as has ever been written .