Robert J. Hogan
Robert J. Hogan has written at least 3 books. Their most popular book is The Secret 6: The Complete Adventures with 1 save with an average rating of -⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
2 primary booksAuthored 100% of series
G-8 and His Battle Aces
G-8 and His Battle Aces is a 2-book series with 2 released primary works first released in 1933 with contributions by Robert J. Hogan and Frederick Blakeslee.
