Book excerpt: This biography examines the remarkable life of Jonas Salk using easy-to-read, compelling text. Through striking black-and-white images and rich color photographs, readers will learn about Salk?s family background, childhood, education, groundbreaking research, and creation of the polio vaccine. Informative sidebars enhance and support the text. Features include a table of contents, timeline, facts page, glossary, bibliography, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of ABDO Publishing Company.