1.
Immortality Key : The Secret History of the Religion with No Name
by Muraresku, Brian C.
ISBN: 9781250803986
2.
Immortality Key : Uncovering the Secret History of the Religion with No Name
by Muraresku, Brian C.
ISBN: 9781250207142
3.
The Immortality Key: the Secret History of the Religion with No Name
by Muraresku, Brian C.
ISBN: 9781250752994