This is the book https://www.amazon.com/Gospel-Holy-Mother-Sarada-Devi/dp/8178230011. Don't fear, our path is of shuddha sattva, only good can come out of the pursuit of this spiritual path. Good or bad to us happens according to our past lives karmas, spiritual practice gives us strength and wisdom to deal with it (not remove or create problems, discounting exceptional cases).
