A book that will teach you how to Summon Demons. It includes a classification of specific and known Demons and step by step instructions on how to Summon Demons. Keep in mind that it is never a good idea to Summon Demons. This book was created for entertainment purposes only, although the Demons mentioned here are real, you should never summon them. This book will give you an insight on certain demons and a chance for you to know them all.