De Vermiis Mysteriis
This book, was written in Latin by Ludwig Prinn in 1542. Suppressed by the church, fifteen copies of this book have survived. This book, in part, discusses the Arab world and things supernatural there.
The investigators borrowed a copy of this book from Dr Henry Armitage in their investigation for the mystery at Ross’s Corners. Inside they were able to transcribe a magical ritual that opens a window for remote viewing.