About the book: year / In Isaac Asimov's story "The Discovery of Walter Seals", which the author himself originally called "Ammonium", we are talking about an ordinary chemist, who invented a new substance, which in its properties turned out to be better and cheaper than gold. Naturally, everyone became interested in this drug: politicians, criminals, large financiers. Each of them wanted to purchase a recipe for this substance. fantlab.ru © Vitaly Karatsupa