"The 5,127th Try - How failing five thousand times built an empire" is the biography of an invention: the bagless vacuum cleaner. James Dyson was frustrated that his Hoover lost suction as the bag filled up. He had an idea for a "cyclone" mechanism, but no money and no engineering degree.Business writer David Hall chronicles the grueling 15-year journey. Dyson built 5,126 prototypes in his backyard shed. He faced bankruptcy and lawsuits from established giants who wanted to crush his idea to protect their lucrative dust-bag market.This book is a masterclass in resilience. It shows that...