Fairly good book. Very honest and at times a little scary on the true act of harm another person (doctor) will have on another person.
I read this work along with Mattogno's "'Medico ad Auschwitz': anatomia di un falso", which had the duty to analyze various versions of this book, various translations, but the original hungarian one. I'm seriously appalled by the endless multitude of contradictions, strange facts, unexplainable muddles.
Nyiszli's work is indeed a novel, it has the capacity of pathos, of moving the readed's heart, of steering scorn up. That's its value, but I doubt it has a real historical value.