7 books
Dragons and Gods
Transdimensional Teenage Mutant Ninja Turtles
Mutants down under (Teenage Mutant Ninja Turtles and Other Strangeness Role
Teenage Mutant Ninja Turtles and Other Strangeness
Teenage Mutant Ninja Turtles Guide to the Universe
Teenage Mutant Ninja Turtles Adventures
After the Bomb