Iron and Steel: Their Production and Manufacture. By C. Hood.

Silk: Its Production and Manufacture. By Luther Hooper.

Tobacco: From Grower to Smoker. By A. E. Tanner.

Wool: From the Raw Material to the Finished Product. By J. A. Hunter.

Coal: Its Origin, Method of Working, and Preparation for the Market. By Francis H. Wilson, M.Inst. M.E.

Linen: From the Field to the Finished Product. By Alfred S. Moore.

Timber: From the Forest to its Use in Commerce. By William Bullock.

Clays and Clay Products. By A. B. Searle.

Leather: From the Raw Material to the Finished Product. By K. J. Adcock.

Oils: Animal, Vegetable, Essential, and Mineral. By C. Ainsworth Mitchell, B.A., F.I.C.