This is a Stihl BG SH 56, 66, 86 Workshop Service Manual and 2 Part Manuals. This is a 3 manual lot. This service manual has 84 pages in it. The BG 86, 86C parts manual has 28 pages. The SH 56, 86 parts manual has 32 pages. The Service Manual shows you how to actually work on every part of the saw and the Parts Manual shows you with an exploded diagram of every part to the saw and a part # for each part with a name. These manuals Help you do you own work on your saw. This is actually made out of paper/book/magazine. You will receive the manuals as pictured.