Secret Adversary and The Mysterious Affair at Styles

<p>The Queen of Mystery has come to Harper Collins! Agatha Christie, the acknowledged mistress of suspense—creator of indomitable sleuth Miss Marple, meticulous Belgian detective Hercule Poirot, and so many other unforgettable characters—brings her entire oeuvre of ingenious whodunits, locked room mysteries, and perplexing puzzles to William Morrow Paperbacks. Christie’s first novel to feature the sleuthing duo of Tommy and Tuppence Beresford, <b>The Secret Adversary</b> finds the penniless pair launching a new business venture, Young Adventurers Ltd., and plunged soon after into the heart of an insidious and quite deadly political conspiracy.</p>