Original sentence: A recent biography of Collins, Michael Jay Tucker’s And Then They Loved Him: Seward Collins And the Chimera of an American Fascism, argues that he was never a “real” fascist
Edited sentence: However, readers should keep in mind that one recent biography of Collins, Michael Jay Tucker’s And Then They Loved Him: Seward Collins And the Chimera of an American Fascism, argues that he was never a “real” fascist