Book of Fate

Introduction
A woman who dreamed of becoming a writer but always failed every time she came home from a publishing house.
There is a mysterious book that she finds, and there she gets an idea of ​​her past and then writes in the book, but it has an associated problem. She changes the fates of her characters included to her story. It happens in real life in both their worlds and time.
What should be in just one book would be realistic. Destiny will be chaotic because of a book that was not accidentally found.
Two stories in one book. Four people fates will messed up because of the missing book.