Jon Irwin
Jon Irwin has written at least 1 book. Their most popular book is Super Mario Bros. 2 with 7 saves with an average rating of 3.25⭐.
Jon Irwin has written at least 1 book. Their most popular book is Super Mario Bros. 2 with 7 saves with an average rating of 3.25⭐.
Series
28 primary booksAuthored 3% of series
Boss Fight Books is a 28-book series with 28 primary works first released in 1983 with contributions by Ken Baumann, Michael P. Williams, and 27 others.
