There are numerous meeting points between model engineering and gunsmithing, and they come out in this series. If you aren’t into gunsmithing, you will have to ignore parts, but at these prices...... Subjects covered include, amongst many others, polishing, engraving, bluing, tool sharpening, barrel turning, and many more. No. I has 504 pages, and 317 photos & drawings. No. II has 504 pages, and 252 photos and drawings. No. III has 505 pages and around 250 photos and drawings, No. 4 has 552 pages. and 332 drawings and photographs. All are hardback and incredible value!