The Christie, Agatha 1890-1976 creator text utu 1998 monographic en 1 online resource : multiple file formats "The Secret Adversary" by Agatha Christie is a detective novel published in January 1922. Two unemployed young friends, Tommy and Tuppence, form a business seeking adventure and quickly find themselves entangled in a dangerous conspiracy involving a missing woman, a secret treaty from the Lusitania, and a mysterious criminal mastermind known only as "Mr. Brown." Their investigation leads them through deception, kidnapping, and betrayal as they race to recover the treaty before it destabilizes the British government. (This is an automatically generated summary.) Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Secret_Adversary Release date is 1998-01-01 Charles Keller and David Widger Updated: 2022-10-29. Original publication data not identified Private investigators -- England -- Fiction Detective and mystery stories Domestic fiction Married people -- Fiction Missing persons -- Fiction Beresford, Tommy (Fictitious character) -- Fiction Beresford, Tuppence (Fictitious character) -- Fiction PR Original publication data not identified https://www.gutenberg.org/ebooks/1155 https://www.gutenberg.org/ebooks/1155 UtSlPG 260607 20260610133041.0 1155