The Memoirs of an Anti-Apostle by Marie Carre' , a French Catholic nurse that attended an auto-crash victim. The victim... a Communist who purposely entered the Catholic priesthood (along with many, many others) in order to destroy the the Church from within.
ISBN: 0-89555-449-6 AA-1025 The Memoirs Of An Anti-Apostle
I believe the price is between $5 & $10.