The owner of a private hospital is found murdered in his car, after a series of anonymous threatening letters. Suspicion falls on a retired book-maker whose daughter suffered severe brain damage as a result of negligence during an operation some years before. Morse spends a lot of effort in investigating the possibility that the dead man was criminally negligent, and concludes that he was. While he does his best to bring the killer to justice, Morse does not seem very troubled that at the end of the day he is unable to nail him.

The mysterious death of a former deputy police commissioner brings Morse into reluctant contact with an old rival, Ch Insp Dawson. Morse and Lewis, in uneasy tandem with Dawson, spot a link with the unsolved murder of a young girl 18 years earlier. To find the latest killer they have to unravel the first case again.

Morse finds himself at the top of the suspect list when his lady friend, Beryl Newsome, is stabbed at a dress rehearsal for the local amateur dramatic society's production of The Magic Flute. Then Lewis starts uncovering more incriminating evidence, and Morse becomes the target of direct attacks. Who is it that wants to get at Morse so badly?

Morse investigates the apparent suicide of a terminally ill Oxford don and finds he has a personal connection with the family. As the case develops, Lewis worries that Morse's professionalism is being undermined.

The apparently motiveless murder of two young women points to a psychotic killer. Morse's speculations on what they might have in common leads him to a local garage owner, Jeremy Boynton, who knew them both, and who arouses his suspicions and dislike. Convinced that Boynton holds the key to the crime, Morse begins to hound him, despite having no firm evidence. Morse is also faced with the possible oss of his beloved red Mk II Jaguar.

Oxford is shocked when a a Japanese student dies in what seems to be a brutal ritual killing. Then Morse finds he has unwittingly given all his suspects a watertight alibi.

The search for a retired 'supergrass' takes Morse and Lewis from Oxford to the Australian outback. Strangely, Lewis is less at home down under than Morse himself is.

Morse investigates the reported theft of erotic paintings belonging to Sir Julius Hanbury, a local baronet who is one of those standing for election as the new Master of Courtney College, Oxford. As well as the pictures, Sir Julius himself has also disappeared. Morse finds Sir Julius's dead body, and at first it looks like murder, but the new police pathologist, Dr Grayling Russell, believes he killed himself. Then there is another death which is undoubtedly a murder - but how is it connected with the late Sir Julius Hanbury?

The strange death of an Englishwoman abroad takes Morse and Lewis to the city of Verona in northern Italy. Morse takes delight in open-air opera in the Roman amphitheatre and falls under the spell of Nicole Burgess, a glamorous opera singer. But Lewis is home-sick.

A young secretary is found dead in a pub car park. Morse suspects murder and uncovers a complex web of relationships - passion and corruption, lies and unhappiness.

Morse investigates when the annual match of the Claret's old boys' cricket eleven is brought to an abrupt end by the sudden death of a team member - and it seems that cricket was the last thing on their minds.

Morse investigates a tangled web of university intrigue which surrounds the baffling murder of Dr Julian Dear, a college don and famous environmentalist who was killed just minutes before he was due to give a controversial lecture. It seems that the most respectable of academic families can have skeletons in the cupboard, and Morse has to put his job on the line to get at the truth.

Morse investigates the murder of Trevor Radford, managing director of the family-owned Radford's Brewery, who was attacked and killed while working late. Morse becomes immersed in the implications of a hostile take-over bid by another company. Then Helen Radford goes to the brewery to look for her missing husband Stephen and finds him also murdered.

Business tycoon Sir John Balcombe is found murdered at his country house, Balcombe Castle, with no signs of a break-in. As a result, the dead man's wife and sons come under suspicion. Morse finds that the family is strangely untroubled, and several of his prime suspects have flawed characters and dark secrets - and then the Balcombe family suffers another killing. Meanwhile, Morse has to cope with journalists who try to turn his own personality into a story - and he also suffers from an unhelpful Chief Superintendant, covering for the station's usual boss, who puts pressure on him to crack the case in a hurry. In the end, though, Morse is vindicated and his various tormentors get their comeuppance.

A convicted fraudster, one of three former business partners at an open prison, dies following an assault. Morse has to investigate the death while dealing with a brash subordinate and trying to avoid offending the prison authorities.

Morse and Lewis hunt a violent rapist who has escaped from prison. They find themselves drawn into an under-world of satanists, and some of them seem more respectable than others.

Someone at Oxford's Foreign Examination Syndicate is selling exam secrets. Nicholas Quinn, a member of the board, overhears something he shouldn't know about and is soon found dead at his cottage, poisoned with cyanide - but Nicholas was deaf. Then crossword compiler Philip Ogleby has his skull smashed in. During his investigations, Morse is attracted to Monica Height. She works for the Syndicate and may be mixed up in the corruption which led to Quinn's murder, and perhaps to Ogleby's as well.

An artist, fun-loving drinker and raconteur, Harry Field seems like a man after Morse's own heart. But when Morse and Lewis investigate his mysterious death, they discover that he was not such a lovable rogue.

A nasty but very rich businessman and a world-famous opera singer are in Oxford to receive honorary degrees from the Chancellor of the University. However, the ceremony has to be abandoned when a sniper opens fire on the procession of dignitaries. The singer is seriously wounded, but was she the intended target?

Morse is passed over for promotion and gets a new working partner in the shape of Lewis, who is not sure what to make of his new boss. Their first case together is a murder, when Anne Staveley, who was Morse's friend in a choral society, is found hanged in her house in the Jericho area of Oxford. The death looks like suicide, but Morse has his own reasons for treating the case as a murder investigation. A parking ticket and Oedipus the King, by Sophocles, come to his assistance.

A body is found in the canal and the only clue to its identity points to a connection with one of the university's colleges. It happens that intense rivalry for one of the most prestigious posts in the university has led to murder. But which one of the highly respected contenders is the calculating killer?

When the chef at Lewis's favorite Greek restaurant is found murdered, and a baby goes missing, Oxford's close-knit Greek community closes ranks. Matters aren't helped when Morse has a bad-tempered exchange with the shipping millionaire who owns the restaurant.

Playboy architect Michael Gifford is found strangled in his car, and the only clues are a car-park ticket and his diary. Morse and Lewis uncover a love triangle involving the murdered man, and the list of suspects grows. Meanwhile, Morse considers asking Grayling Russell for a date.

The schoolgirl daughter of rich parents has been missing for six months. Morse believes she has been killed, and his investigations show curious goings on at the missing girl's school. But before Morse can unravel the mystery, he finds another.

A new drug developed to combat senility is ironically being distributed to teens at all-night parties and driving some to suicide.