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

They have worked on 2 movies together! Their first movie together was The Haunted Mask II (1996) while their highest rated movie together was Goosebumps: The Scarecrow Walks at Midnight (1996). They have not worked together since Goosebumps: The Scarecrow Walks at Midnight (1996).