Download or read book Secret Weapons and World War II written by Walter E. Grunden and published by . This book was released on 2005 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: While previous writers have focused primarily on strategic, military, and intelligence factors, Walter Grunden underscores the dramatic scientific and technological disparities that left Japan vunerable and ultimately led to its defeat in World War II.