1.Everything that is written on this book become reality but only for 10 wish.
2.This book are given for selected mortal in each world (infinite parallel earth).
3.This book will stay with the selected mortal until the 10 wish is used.
4.If given that the mortal is die then the book will be destroy.
5.Other than the selected mortal, other mortal cannot see this book.
6.The wish that had been written cannot be undo so the book suggest that the selected mortal to think wisely.
7.Selected mortal cannot wish for having a god like power or wish to add more wish but other than that it can be used for anything.
8.If the selected mortal tell other mortal about this book then the book of desire will manipulate the selective mortal and the mortal that know about this book to forget about this book and the book will dissapear