“Brunt is very good at drawing out the political tensions that swirled around Diesel during his life…A dynamic detective story.” —The New York Times

“Excellent…a well-researched and well-written biography.” —Wall Street Journal

“[A] thrilling investigation...Brunt’s audacious yet surprisingly tenable theory makes for a wildly enjoyable outing.” —Publishers Weekly (starred review)

“This book is the granddaddy of books that show you something you didn’t know about people you do…an odyssey…a terrific who-dunnit, there’s everything to love about this book.” —Mike Rowe

“The Mysterious Case of Rudolf Diesel sheds light on one of the most perplexing mysteries of the twentieth century, and on a man whose invention had the power to threaten empires and change the fate of nations. Written with the intensity of a thriller, this brilliant work will ensure the reader and the world will long remember Rudolf Diesel.” —Jack Carr, former Navy SEAL Sniper and #1 New York Times bestselling author of Only the Dead

“Equal parts Walter Isaacson and Sherlock Holmes, The Mysterious Case of Rudolf Diesel yanks back the curtain on the greatest caper of the 20th century in this riveting history.” —Jay Winik, New York Times bestselling author of 1944: FDR and the Year that Changed History

“Outstanding—Brunt mixes a historian's respect for research with a novelist's eye for character, adds fascinating context and connections, and reaches a conclusion worthy of James Bond.” —Lee Child, #1 New York Times bestselling author

“A riveting, impressive, history-changing book. I couldn’t put it down and gasped at the conclusion. DIESEL is in the history Hall of Fame.” —Zibby Owens, host of Moms Don’t Have Time to Read Books and author of Bookends and Blank

“A page turning crime thriller that also delivers a significant new understanding of the forces that shaped the outcome of World War I and beyond. This fascinating story, told in the most vivid fashion, about a name so many recognize has been missed by true crime aficionados and historians alike—until now. An important addition to 20th century history.” —Dan Abrams, New York Times bestselling author of Lincoln’s Last Trial

“Douglas Brunt delivers an unputdownable piece of nonfiction that reads like a taut thriller. Insightful, suspenseful, and thoroughly enjoyable, you will be absolutely captivated!” —Brad Thor, #1 New York Times bestselling author of Dead Fall