The CIA headquarters has a sculpture with 4 encrypted messages. Only 3 of which has been solved. Are there any books that go into detail about it and explains everything about it? by Matt_Oliveira Related: Obnoxious postmodern books that are relatively easy to read? If I liked Bukowski & Fante, suggest me a witty, interesting author that immerses you in their stories like they do? Suggest a YA book that has a love triangle Book after Crime and Punishment & 1984 Books on How different political systems work