Dennis Lynn Rader Wichita Kansas' notorious "Bind Torture Kill" serial killer aka BTK.
Prison owned copy of the book, Lucifer Dethroned, by William and Sharon Schnoebelen.
The inside page has been stamped by the prison and signed by the property officer. Below that, Rader has written the recipient a message which reads, "To Who Reads This Book Next: Interesting, see Satanic calendar and symbols. A good book to read on Halloween Eve."
Hand signed, Dennis L. Rader. He has also drawn and colored a witches broom.