These are books to add towards you collection for deeper study
 

Kissing Cousins? by Bill A. Musk	Reasoning from the Scriptures With Muslims by Ron Rhodes	Reasoning from the Scriptures With the Mormons by Ron Rhodes	Reasoning from the Scriptures With the Jehovah's Witnesses by Ron Rhodes
Reasoning from the Scriptures With Catholics by Ron Rhodes	Answering the Objections of Atheists, Agnostics, & Skeptics by Ron Rhodes	The Truth Behind Ghosts, Mediums, And Psychic Phenomena by Ron Rhodes	The Complete Guide To Christian Denominations by Ron Rhodes
One Nation Under Gods: A History of the Mormon Church by Richard Abanes	Becoming Gods  by Richard Abanes	The Truth Behind the Da Vinci Code  by Richard Abanes	The Islamic Invasion by Robert A. Morey
Winning the War Against Radical Islam by Robert A. Morey	Behind the Mask of Mormonism by John Ankerberg	Behind the Mask of Mormonism by John Ankerberg	Fast Facts on False Teaching by Ron Carlson, Ed Decker
Fast Facts on the Masonic Lodge by John Ankerberg	Fast Facts on Roman Catholicism by John Ankerberg	Fast Facts on Islam by John Ankerberg
The Trinity by Robert A. Morey	Evidence for Christianity by Josh McDowell	I Don't Have Enough Faith to Be an Atheist by Norman L. Geisler	The Case for Christ by Lee Strobel
The Case for Faith by Lee Strobel	The Case for Creation by Lee Strobel	Fast Facts on Defending Your Faith by John Ankerberg
Josephus: The Essential Writings By: Paul L. Maier	Beast of Revelation By Kenneth Gentry	Before Jerusalem Fell By Kenneth Gentry	Darby, Dualism and the Decline of Dispensationalism By Ronald M. Henzel
Four Views on the Book of Revelation	Great Tribulation: Past or Future Thomas Ice and Kenneth L. Gentry, Jr.	Perilous Times By, Kenneth L. Gentry Jr.	Myths, Lies, & Half Truths By, Dr. Gary DeMar
End Times Fiction By, Dr. Gary DeMar	Last Days Madness By, Dr. Gary DeMar	The Last Days According To Jesus By, Dr. R. C. Sproul