2 large ( 8 1/2 x 11") ooftback books on supplu chain design and planning. Module 1 - supply chain design - 271 pages plus indices. Module 2 - supply chain planning and execution - 440 pages plus indicies. Both books with some ball-point bracketing and parenthesis added by prior user but minimal. In fact pages are extra-bright and there are neither book has a spine crease.