Question: What was the name of the best selling book about serial killers that was written by a former chief reporter of national red top newspaper published in the United Kingdom?

Context paragraphs:
Paul Cowan (journalist): Paul Cowan is a Scottish-Canadian journalist and writer.  Raised in Lanarkshire, Cowan became interested in journalism after appearing on BBC Radio Scotland's young adult current affairs program "Sunday Club".  He joined the "Glasgow Herald" as a copy-boy and was one of the first Scottish journalists to bring the Gaelic rock band Runrig to national attention.  Cowan then attended the pre-entry journalism course at Napier College in Edinburgh before joining the "Inverness Courier".  This was followed by work at the "Shetland Times" and then a return to the "Courier" as chief reporter.  Cowan then worked as a reporter on the "Evening Chronicle" in Tyneside.  He left to hitch-hike across Canada and on his return to Scotland became editor of the "Campbeltown Courier".  He then returned to Canada where he was given a job on the daily "Edmonton Sun".  He covered the actitivities of Canadian troops in Kosovo and Afghanistan before leaving the newspaper to write the non-fiction books "How the Scots Created Canada" and "Scottish Military Disasters".  He then worked as a media advisor to the Saskatchewan government before returning to writing.  As a freelance writer, Cowan has contributed to most of the major media outlets in the United Kingdom and Canada.  In 2015, he edited the memoir of a soldier from the Highland Light Infantry called "With Wellington in the Peninsula".

The Battle of the Strong: The Battle of the Strong is an 1898 novel by Gilbert Parker.  It was first published in serial format in "The Atlantic Monthly" starting in January 1898, and as a single volume late in the same year.  It was ranked as the tenth-highest best selling book overall in the United States for 1898, and appeared as high as Number 2 on the monthly bestseller list published in "The Bookman" in early 1899.  The book is set in the Channel Islands, primarily during the period 1781-95, and opens with attempted invasion of Jersey by France in the Battle of Jersey.

Nazim Uddin Mostan: Nazim Uddin Mostan (September 11, 1948 – August 18, 2013) was a Bangladeshi journalist.  He was a former chief reporter of "The Daily Ittefaq" until 1998.  He was awarded Ekushey Padak in 2003 by the Government of Bangladesh for his contribution to journalism.

My Life Among the Serial Killers: My Life Among the Serial Killers: Inside the Minds of the World's Most Notorious Murderers is a book written by Helen Morrison, M.D and Harold Goldberg.  It presents the cases of ten serial killers, and touches on many more.  Morrison spent hundreds of hours in face-to-face interviews, over many years, with several of the subjects.  She uses the individual stories to explain and put forth her ideas on what makes a serial killer.

Cold North Killers: Canadian Serial Murder: Cold North Killers: Canadian Serial Murder is a 2012 Canadian non-fiction book written by Lee Mellor and published by Dundurn Press.  It documents the lives of sixty Canadian serial killers, with the earliest being Edward H. Rulloff and the most recent being Russell Williams.  The book uses Katherine Ramsland's interpretation of what constitutes a serial killer—someone who has killed at least two people on two separate occasions, and who attempted to or likely would have killed again—as outlined in her 2007 book "The Human Predator".  "Cold North Killer's" own definition of what constitutes a Canadian serial killer includes both Canadians who committed murder abroad (such as Keith Hunter Jesperson and Gordon Stewart Northcott) and non-Canadians who committed murder in Canada (like William Dean Christenson and Earle Nelson).

Joanna Norris: Joanna Norris is a New Zealand-based journalist and current editor of "The Press", a daily broadsheet published in Christchurch.  She was appointed to her present role in 2012, having previously worked as a journalist at the newspaper.  She is the first woman to become its editor.  Norris was chief reporter at "The Press" before moving to the Middle East in 2007, where she was involved in the launch of "The National", an English language newspaper in Abu Dhabi.  She has also worked at senior level for newspapers in the United Kingdom.  She returned to New Zealand from Abu Dhabi in 2010, and before taking up her present position in October 2012, was digital editor of Dompost.co.nz, the online version of "The Dominion Post".  Norris has won several industry awards during her career.

News of the World: The News of the World was a national red top newspaper published in the United Kingdom from 1843 to 2011.  It was at one time the biggest-selling English-language newspaper in the world, and at closure still had one of the highest English-language circulations.  It was originally established as a broadsheet by John Browne Bell, who identified crime, sensation and vice as the themes that would sell copies.  The Bells sold to Henry Lascelles Carr in 1891; in 1969 it was bought from the Carrs by Rupert Murdoch's media firm News Limited.  Reorganised into News International, itself a subsidiary of News Corporation, it was transformed into a tabloid in 1984 and became the Sunday sister paper of "The Sun".  The newspaper concentrated on celebrity-based scoops and populist news.  Its fondness for sex scandals gained it the nicknames, "Wanker's Weekly", "News of the Screws" and "Screws of the World".  It had a reputation for exposing national or local celebrities' drug use, sexual peccadilloes, or criminal acts, setting up insiders and journalists in disguise to provide either video or photographic evidence, and phone hacking in ongoing police investigations.  Sales averaged 2,812,005 copies per week in October 2010.

James Weatherup: After starting out in regional newspapers, he joined the "News of the World," serving in two stints over 25 years for nine editors.  In his first stint he rose to Chief reporter.  During this time he co-wrote the best selling book "Inside 25 Cromwell Street" about the serial killers Fred and Rosemary West.

Heart of Fire (film): Heart of Fire (also known by its original German name, Feuerherz) is a 2009 German docudrama directed by Luigi Falorni.  The film was inspired by the best selling book of German singer Senait Ghebrehiwet Mehari of the same name.  The film was released on September 25 (Germany) and October 10 (United Kingdom, Italy, Eritrea).

Rommel Rodrigues: Rommel Rodrigues is an Indian author, film director, screenwriter and producer based out of Mumbai.  He has been a journalist for over a decade (Accredited by Maharashtra government for 5 years), having worked in leading dailies of India, and has covered crime, business, politics and current affairs extensively.  He has authored several books, among which are two bestsellers, "Kasab: The Face of 26/11", detailing the 2008 Mumbai attacks, published by Penguin (2011) and "Everything You Wanted to Know About Business & Economics" published by CNBC (2012), bundled with another best selling book, "Simplifying Business, Economics & Jargons" by CNBC which became an instant hit on release featuring among the top 10 business bestsellers within a month.  Rommel Rodrigues has conducted numerous interactive sessions based on his book on business and economics.  Wittily titled ‘Business and Economics for Idiots’ he has addressed several seminars, management colleges, investor forums etc. across India.

Supporting paragraphs: James Weatherup News of the World
Answer: Inside 25 Cromwell Street