Mathematics of Discrete Structures for Computer Science

Collins brings the Queen of Crime, Agatha Christie, to English language learners.Agatha Christie is the most widely published author of all time and in any language. Now Collins has adapted her famous detective novels for English language learners. These carefully adapted versions are shorter with the language targeted at upper-intermediate learners (CEF level B2).Each reader includes:Audio with a reading of the adapted storyHelpful notes on charactersCultural and historical notes relevant to the plotA glossary of the more difficult wordsRecently, there have been some strange things happening at Styles, a large country house in Essex. Evelyn Howard, a loyal friend to the family for years, left the house after an argument with Mrs Inglethorp. Mrs Inglethorp is then suddenly taken ill and dies. Has she been poisoned? It is up to the famous Belgian detective, Hercule Poirot, to find out what happened.

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 m

One of Agatha Christie's most famous novels, featuring her beloved detective Hercule Poirot--and her most surprising twist.The story that made Agatha Christie famous ends with one of her most dramatic twists. The villagers of King's Abbot are shocked when a wealthy local widow commits suicide and the very next day her fianc? Roger Ackroyd, is stabbed to death. Dr. James Sheppard, the local physician, discovers the body of his friend and narrates the ensuing hunt for the killer. All the guests and staff at Ackroyd's country house seem to have solid alibis--except for his missing stepson. But as the authorities home in on their most obvious suspect, the recently retired detective Hercule Poirot unexpectedly turns up and joins the fray. Dr. Sheppard gamely assists the legendary Poirot as he untangles one of the most fiendish mysteries in Christie's extensive oeuvre.

An all-new collection of winter-themed mysteries from the master of the genre, just in time for the festive period. There's a chill in the air and the days are growing shorter... It's the perfect time

A Paperback OriginalAn all-new collection of winter-themed mysteries from the master of the genre, just in time for the holidays.“Reading a perfectly plotted Agatha Christie is like crunching into a p

In this official edition featuring exclusive content from the Queen of Mystery, a young drifter finds more than he bargained for.“I read everything by Agatha Christie.”—Gillian FlynnLittle did Anthony

A collection of macabre mysteries, including the superlative story Witness for the Prosecution…Twelve unexplained phenomena with no apparent earthly explanation…A dog-shaped gunpowder mark; an omen fr

The novel that introduced Tommy and Tuppence, a bantering pair of 1920s bright young things who solve a mystery together while falling for each other.The Great War is over and jobs are scarce. Tommy B

Considered by critics as one of the best of Agatha Christie’s later novels, and a personal favorite for Christie herself—now a limited streaming series starring Bill Nighy and Anna Chancellor!Accused

Considered by critics as one of the best of Agatha Christie’s later novels, and a personal favorite for Christie herself—now a limited streaming series starring Bill Nighy and Anna Chancellor!Accused

Evidence that clears the name of a boy sentenced for killing his adopted mother arrives too late to save his life - so who did kill her?Dr. Arthur Calgary takes a ferry across the Rubicon River to Sun

The daughter of an American millionaire dies on a train en route for Nice...

A seance in a snowbound Dartmoor house predicts a grisly murder...In a remote house in the middle of Dartmoor, six shadowy figures huddle around a small table for a seance. Tension rises as the spirit

A young drifter finds more than he bargained for when he agrees to deliver a parcel to an English country house...Little did Anthony Cade suspect that a simple errand on behalf of a friend would make

A young woman investigates an accidental death at a London tube station, and finds herself of a ship bound for South Africa...Pretty, young Anne came to London looking for adventure. In fact, adventur

A young woman with nothing to live for is persuaded to embark on a suicide mission to find a missing scientist...When a number of leading scientists disappear without trace, concern grows within the i

A collection of macabre mysteries, including the superlative story The Witness for the Prosecution...Twelve unexplained phenomena with no apparent earthly explanation...A dog-shaped gunpowder mark; an

Evidence that clears the name of a boy sentenced for killing his adopted mother arrives too late to save his life - so who did kill her? Dr. Arthur Calgary takes a ferry across the Rubicon River to Su

A beautiful heiress is fatally poisoned in a West End restaurant… Six people sit down to dinner at a table laid for seven. In front of the empty place is a sprig of rosemary – in solemn memory of Rose

Agatha Christie's audacious mystery thriller, reissued with a striking new cover designed to appeal to the latest generation of Agatha Christie fans and book lovers. For an instant the two trains ran

Agatha Christie’s classic short story collection, published to tie-in with a new BBC TV adaptation of the book’s most enduring and shocking thriller, The Witness for the Prosecution. 1920s London. A m

A perfect introduction to Agatha Christie - four of the best Hercule Poirot stories, chosen for their readability and sense of adventure.

The daughter of an American millionaire dies on a train en route for Nice...

Tommy and Tuppence, two young people short of money and restless for excitement, embark on a daring business scheme – Young Adventurers Ltd. Their advertisement says they are ‘willing to do anything,

Tommy and Tuppence Beresford were restless for adventure, so when they were asked to take over Blunt’s International Detective Agency, they leapt at the chance. After their triumphant recovery of a pi

The first of a new-look series of Hercule Poirot books for the 21st century

′My name is Hercule Poirot and I am probably the greatest detective in the world.′ This new boxed set of paperbacks collects six of Hercule Poirot′s most famous and best-loved cases, perfect for read

Eleven stories deal with a murder trial, a premonition of death, a ghostly possession, a mysterious cry for help, a poisoning, and a wealthy aunt's will.

When Mrs. Packington's husband begins keeping regular company with an office girl, she turns to Mr. Parker Pyne, master of the human soul, for help, in the first of a series of cases that take him fro

Tommy and Tuppence Beresford investigate the death of Tommy's aunt Ada at Sunny Ridge, a Scarborough home for elderly ladies.

Tommy and Tuppence Beresford take over a near-bankrupt detective agency, only to learn that the Secret Service suspects it of being an information drop for Russian spies.

For the first time in a single combined B format, a new edition of Agatha Christie's eight stage plays, published to coincide with the 60th Anniversary Year of The Mousetrap, the longest-running play

Sheila Webb expected to find a respectable blind lady waiting for her at 19 Wilbraham Crescent?not the body of a middle-aged man sprawled across the living room floor. But when old Miss Pebmarsh denie

Sir Charles Cartwright should have known better than to allow thirteen guests to sit down for dinner. For at the end of the evening one of them is dead?choked by a cocktail that contained no trace of

Even the great detective Hercule Poirot harbored a deep and abiding fear of the dentist, so it was with some trepidation that he arrived at the celebrated Dr. Morley?s surgery for a dental examination

The Argyle family is far from pleased to discover one of its number has been posthumously pardoned for murder - if Jacko Argyle didn't kill his mother, who did?

For the first time since its original one-off publication in 1973, a replica edition of Agatha Christie's rarest book, the drama of King Akhnaton's doomed attempt to subvert the old religion of ancien

The holidays can be murder—and just in time for yuletide 2008 comes this holiday edition of one of Agatha Christie's most popular and confounding mysteries. The wealthy Simeon Lee has demande

A brand new omnibus of 55 short stories, presented for the first time in chronological order. Described by her friend Dolly Bantry as ‘ the typical old maid of fiction’, Miss Marple has lived almost h

Evidence that clears the name of a boy sentenced for killing his adopted mother arrives too late to save his life -- so who did kill her?