German Book I.G. Farben 1938

In a very nice condition a German Book: Erzeugnisse unsere Arbeit, I.G. Farbenindustrie Aktiengesellschaft.The book is dated 1938 and comes with various (colour) drawings and pictures inside.The book contains 214 pages and has a paper backing.I.G. Farben's subsidiaries supplied the poison gas, Zyklon B, that killed over one million people in gas chambers.