The Secret Adversary
- First published
- 1922
- Reading level
- Easy
- Price
- Free
About the book
"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.
- Private investigators
- Detective and mystery stories
- Domestic fiction
- Married people
- Missing persons
- Beresford, Tommy (Fictitious character)
Updated September 2026. Public domain in the USA. Text and summary from Project Gutenberg eBook #1155. The Secret Adversary on Wikipedia.
