DNA doesn't lie When Stephan Cowans is sentenced to a long-term prison sentence, he insists that he's innocent. With an eyewitness testimony and a fingerprint at the crime scene, how can he prove his case?High-interest topics, real stories, engaging design, and astonishing photos are the building blocks of the XBooks, a new series of books designed to engage and motivate reluctant and enthusiastic readers alike. How can DNA help a convicted...