Greg Mandel is a fictional private detective who featured in three novels and a novella by the English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 writer Peter F. Hamilton

Peter F. Hamilton

Peter F. Hamilton is a British author. He is best known for writing space opera. As of the publication of his tenth novel in 2004, his works had sold over two million copies worldwide.- Biography :...

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The stories are set in a near-future England, centred around Hamilton's own home county of Rutland

Rutland

Rutland is a landlocked county in central England, bounded on the west and north by Leicestershire, northeast by Lincolnshire and southeast by Peterborough and Northamptonshire....

. Mandel is a former officer of the 'English Army', who fought in the 'Mindstar Brigade', a tactical psychic

Psychic

A psychic is a person who professes an ability to perceive information hidden from the normal senses through extrasensory perception , or is said by others to have such abilities. It is also used to describe theatrical performers who use techniques such as prestidigitation, cold reading, and hot...

 unit. He was given the psychic powers of intuition

Intuition (knowledge)

Intuition is the ability to acquire knowledge without inference or the use of reason. "The word 'intuition' comes from the Latin word 'intueri', which is often roughly translated as meaning 'to look inside'’ or 'to contemplate'." Intuition provides us with beliefs that we cannot necessarily justify...

 and detecting emotions, skills he uses for his new profession of psychic detective

Psychic detective

A psychic detective is defined as a person who investigates crimes by using their claimed paranormal psychic abilities. A number of people claim they have psychic abilities that have allowed them to assist police in solving kidnapping and murder cases, or locating a corpse...

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The stories are set in a Britain recovering from the damages suffered during ten years of "Marxist-Maoist" dictatorship under the People's Socialist Party and also the ravages of global warming and collapsing financial markets.

After three highly successful novels featuring Mandel had launched his career, Hamilton only briefly returned to him for the novella The Suspect Genome, and otherwise moved on to writing quite different books. The author said in 1996,

Greg was a very good start for me and people have enjoyed it and I think; 'leave it at that.'

The Greg Mandel Trilogy

• Mindstar Rising
  Mindstar Rising
  Mindstar Rising is a science fiction novel by British writer Peter F. Hamilton, published in 1993. It is the first book in the Greg Mandel trilogy. The novel introduces the major characters in the series, most notably Greg and Julia Evans...
  
  (1993)
• A Quantum Murder
  A Quantum Murder
  A Quantum Murder is a novel by Peter F. Hamilton. It is the second book in the Greg Mandel trilogy, between Mindstar Rising and The Nano Flower.-Release details:...
  
  (1994)
• The Nano Flower
  The Nano Flower
  The Nano Flower is a novel by Peter F. Hamilton, published on 10 March 1995. It is the final book in the Greg Mandel trilogy.-Release details:*1995, UK, Pan Books , paperback...
  
  (1995)

Short fiction

• The Suspect Genome (2000, novella featuring Mandel published in Interzone
  Interzone (magazine)
  Interzone is an award-winning British fantasy and science fiction magazine. Published since 1982, Interzone is the eighth longest-running science fiction magazine in history and the longest-running British SF magazine...
  
  )