Question: which book is first the davinci code or angels and demons
Answer: Title Identifier ( s ) Date of publication Summary Angels & Demons ISBN 1 - 59315 - 140 - 3 May 2000 Following the murder of a physicist , Leonardo Vetra , a symbolist , Robert Langdon , and a scientist , Vittoria Vetra , are on an adventure involving a secret brotherhood , the Illuminati .