Aquí os dejo el texto que viene detrás del libro "Fantastic beasts & where to find them. Newt Scamander" de J.K. Rowling:
A copy of 'Fantastic Beasts & Where to Find Them' resides in almost every wizarding household in the country. Now Muggles too have the chance to discover where the Quintaped lives, what the Puffskein eats and why it is best no to leave milk out for a Knarl.
Proceeds from the sale of this book will go to Comic Relief, which means that the pounds and Galleons you exchange for it will do magic beyond the powers of any wizard. If you feel that this is insufficient reason to part with your money, I can onnly hope tha passing wizards feel more charitable if they see you being attacked bye a Manticore.