Gary Allen has written at least 4 books. Their most popular book is None dare call it conspiracy with 2 saves with an average rating of -⭐.
Series
2 primary booksAuthored 100% of series
None Dare Call It Conspiracy is a 2-book series with 2 primary works first released in 1971 with contributions by Gary Allen and Larry Abraham.
Series
1 released bookAuthored 0% of series
One Day in the... is a 1-book series first released in 1995 with contributions by Jean Craighead George.