ANGELS AND DEMONDS BY DAN BROWN

“Angels & Demons” is a novel by Dan Brown, published in 2000. It is the first book to feature Harvard symbologist Robert Langdon, who also appears in subsequent novels like “The Da Vinci Code.” In “Angels & Demons,” Langdon is called to investigate a murder at the CERN laboratory in Switzerland. He discovers that the victim was involved in research on antimatter, a highly explosive substance, and that the ancient secret society known as the Illuminati is behind the crime.