Tan Books
Title: St. Athanasius
Author: F.A. Forbes
Inter-Varsity Press
Title: The Life of Athanasius
Author: Albert Haase, O.F.M.
Nabu Press
Title: St. Athanasius on the Incarnation
Author: St. Patriarch
I can’t guarantee these books contain what you are looking for. There are 5 or 6 more in circulation right now.