The books of this author were used to be my greatest favourites since the first time I purchased them online, and this one was no less than the other series! Got it with super friendly price, its quality both from the book and the informative knowledges contained within was not supposed to be doubted at all. For all readers who may be intetested in mind-changing ancient self-awareness knowledges, I strongly recommend this book along with its another series. Thanks, Periplus!