THE SECRET ADVERSARY is a work of detective fiction by Agatha Christie. The book introduces the characters of Tommy and Tuppence who feature in three other Christie books and one collection of short stories written throughout her writing career.

'My name is Hercule Poirot and I am probably the greatest detective in the world.' This boxed set of paperbacks collects six of Hercule Poirot's most famous and best-loved cases, introducing readers to some of the 20th century's most iconic murder books.

A bumper omnibus gathering together 50 classic Agatha Christie stories featuring Tommy and Tuppence Beresford, Harley Quin, Parker Pyne and Hercule Poirot.

Karl Hendryk, a brilliant professor, attends to his wife Anya, an invalid suffering from a progressive disease. When Karl's cousin Lisa moves in to assist in caring for Anya, tensions rise and feelings are quick to develop...

This little known mystery will surprise and delight Christie fans. Written in 1934, the story concerns a physicist named Sir Claude Amory who has come up with a formula for an atom bomb. In the first act, Sir Claude is poisoned (in his coffee, naturally) and Hercule Poirot is called in to solve the case. He does so after many wonderful twists and turns in true Christie fashion.

Imprisoned for poisoning her husband fifteen years earlier, Caroline Crale finds herself at death's door, and writes a letter expressing her undeniable innocence to her daughter Carla. Carla, aided by Justin Fogg - a former admirer of Caroline - persuades those present on the day of her father's death to return to the scene of the crime. When the witnesses reassemble, Fogg discovers the identity of the true murderer, and Carla discovers her true feelings for Fogg.

Agatha Christie's The Mysterious Affair at Styles is the first appearance of Hercule Poirot. In the midst of World War I, the residents of Styles wake one morning to find Emily Inglethorpe has been fatally poisoned. Captain Hastings, staying with the family, enlists the help of his old friend, Belgian detective Hercule Poirot. With the evidence mounting against one member of the family, Poirot uses his unique deductive technique to prove who really killed Emily. Dame Agatha Mary Clarissa Christie was an English crime novelist and playwright. She also wrote six romances under the name Mary...

"Two young adventurers for hire. Willing to do anything, go anywhere.
Pay must be good. No reasonable offer refused."
With that bold declaration, Thomas "Tommy" Beresford and Prudence "Tuppence" Cowley launch their career as sleuths. The childhood chums, newly reunited in London during the lean years after the Great War, are immediately swept up in a series of thrilling escapades as they search for a secret treaty in the hands of a survivor of the shipwrecked Lusitania. Witty banter highlights their tale of adventure, courage, and suspense, populated by a colorful cast...

A superb novel of possessive love.