Alcatraz Island is known for its former prison, Alcatraz Federal Penitentiary, which housed many dangerous criminals. The island is also known as one of the most haunted locations in the world. This title explores the history of the island, reports of unexplained activity at the former prison, and ways in which paranormal investigators and scientists search for proof of hauntings. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.