This title examines an important historic event--the April 15, 2013, bomb explosions at the Boston Marathon in Boston, Massachusetts. Easy-to-read, compelling text explores the men behind the bombing, brothers Tamerlan and Dzhokhar Tsarnaev, the emergency response to the attack, how the events were communicated and reported through traditional media and social media, the manhunt for the Tsarnaev brothers, and the response of the city of Boston and the nation to the bombing. Also discussed are national security and the prevention of terror attacks, surveillance and other security measures, and immigration reform. Features include a table of contents, glossary, selected bibliography, Web sites, source notes, and an index, plus a timeline and essential facts. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.