How to make a big giant book

After doing a few google searches and seeing a Pinterest drawing. Of a DIY book, I have decided to recreate a modified version of the book. Bellow are the details and info: 9 x 12 Bible for Light of the Gospel Church family camp This is a 9 x 12 book it two 9 x 6 halfs. The end product was leaned against the wall. No special attachments :) Materials and supplies used: Foam insulation (4x8 sheets of foam: 4 sheets of 2 foam and 4 sheets of 1 foam) 150 Brown vinyl fabric (54 wide, I purchased 6 yards at per yard) Paper photo backdrop (83 purchased from amazon) 76 White Banner paper as first layer Michaels store 9 Wood dowels 2 x 8 for frame to hold the foam: Bolts and washers: 20 Lots and lots of hot glue stick 8 black sharpie markers Hot glue gun Jigsaw Ruler measuring tape Step one was to make a frame for the foam. Step two: cut the two, 2 foam in half, to