The third edition of this popular and extensive encyclopedia of the Cthulhu Mythos—updated with more fiction listings and recent material—this unique book spans the years of H. P. Lovecraft's influence in culture, entertainment, and fiction. The expansive entries make this reference invaluable for anyone knowledgeable about the Cthulhu Mythos and a much-needed resource for those longing to learn about the cosmic horrors from past and present decades.