Preheat oven to 375. To make taffy: In bowl combine brown sugar, melted butter and 1/3 c flour. Mix well and set aside. To make apple filling: Place apples in large bowl and add sugar, flour, cinnamon, and lemon juice. Toss until all ingredients are mixed well and apples are coated. Spoon half of apple filling into pie shell. Top with half of caramels and half of taffy mixture. Repeat process with remaining apple filling, caramels and taffy. Place top pastry over filling and seal well. Cut steam vents and brush top crust with milk. Cover pie with foil and place on baking sheet. Bake in oven for 25 minutes. Remove foil and bake 20-25 minutes