This series demonstrates how certain technologies have evolved, transforming life at home, work and school each volume focuses on a particular invention or device, enabling readers to learn about the devices development, how it works, and its impact. In this exciting new title for the Tech 360 series, author Hal Marcovitz examines the enormous popularity of e-books in the 21st century. Readers will learn about the evolution of the e-book concept from Project Gutenberg to dedicated e-readers such as Ki Full-color photographs, intriguing illustrations, visual timelines, and fascinating sidebars and fact boxes complement the text and hold reader interest, while ancillary materials such as bibliographies and a subject index help users target their research,.