This looks like a unique piece.
“Here I have an Extremely rare Willys Jeep Military proposal for a 4-Year program from 1956.
This is a Plastic Comb Binding Book which was apparently used in presentation for the proposed 4-Year Military Development Program for the ¼ Ton 4×4 Willys Vehicles.
Book is dated 10 October 1956.
Books specifies the M38-A1 and presents analyses of weight reduction and cost savings.”