Books Call Sign Chaos Learning to Lead by Jim Mattis and Bing West Hardcover, 300 pages, Random House Inc, List Price: $28 | purchase close overlay Buy Featured Book TitleCall Sign ChaosSubtitleLearning to LeadAuthorJim Mattis and Bing West Your purchase helps support NPR programming. How? Amazon Independent Booksellers Book Summary A former secretary of Defense and a former assistant secretary of defense and combat Marine join forces to off an account of how they learned to lead in a chaotic world. Illustrations. Maps. Tour. Genres: Nonfiction History & Society Business & Economy Biography & Memoir Facebook Twitter Flipboard Email NPR stories about Call Sign Chaos Review Book Reviews In Book, Former Defense Chief Mattis Sideswipes President Trump's Leadership Skills August 28, 2019 In the general's upcoming leadership book, Call Sign Chaos, the Obama administration catches the most flak. Mattis barely mentions President Trump but implies criticism of the sitting president.