Mark Johnson
Mark Johnson has written at least 15 books. Their most popular book is New Terrors with 2 saves with an average rating of -⭐.
They are best known for writing in the genres Classics, General, and Philosophy.
Mark Johnson has written at least 15 books. Their most popular book is New Terrors with 2 saves with an average rating of -⭐.
They are best known for writing in the genres Classics, General, and Philosophy.
Series
1 released bookAuthored 0% of series
GURPS Third Edition is a 91-book series first released in 1988 with contributions by Nigel Findley, Chris W. McCubbin, and 70 others.
