The Lost SymbolThe Lost Symbol by Dan Brown is a gripping thriller that follows the adventures of Harvard symbologist Robert Langdon. Summoned to the Capitol Building in Washington, DC, Langdon anticipates delivering a lecture but quickly becomes embroiled in a sinister mystery. Upon his arrival, he encounters a gruesome artefactan invitation into an arcane world brimming with hidden knowledge and ancient symbols. When Langdon discovers that his mentor, the renowned