How many movies have Jack Lenz and R.L. Stine collaborated on?

They have worked on 6 movies together! Their first movie together was Goosebumps: The Headless Ghost (1996) while their highest rated movie together was Goosebumps: Ghost Beach (1996). They have not worked together since Goosebumps: Monster Blood (1996). They are most known for their horror films together.