Nonfiction thumb|right|In 1952, Richard M. Powers provided a Galaxy Science Fiction cover highlighting essays by de Camp and by Robert A. Heinlein De Camp's first book was Inventions and Their Management, co-written with Alf K. Berle and published by International Textbook Company in 1937: a 733-page book with a three-page list of law cases cited.
Nonfiction thumb|right|In 1952, Richard M. Powers provided a Galaxy Science Fiction cover highlighting essays by de Camp and by Robert A. Heinlein De Camp's first book was Inventions and Their Management, co-written with Alf K. Berle and published by International Textbook Company in 1937: a 733-page book with a three-page list of law cases cited