 To which the expressive modern design of the book covers by Heinrich Hussmann, and the fact that Goldmann published an inexpensive "brochure edition" in addition to the traditional clothbound books, which became an early form of the subsequent pocket books that were later developed for the train station bookstores.In the era of National Socialism, Goldmann also published increasingly popular science books on environmental and economic issues; to the high-circulation authors of that period included for example, Anton Zischka, Walter Pahl, Paul August Schmitz and Ferdinand Fried.During World War II, Goldmann produced special editions for the support of troops and benefited from preferred paper allocations.