AMAZON and eBay are selling one of British IS executioner Jihadi John’s favourite books.

       Mohammed Emwazi, who beheaded his victims, was caught at Heathrow with the book about Afghan guerrilla warfare — one of a string of terrorist works sold by tech giants.

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       Jihadi John was caught at Heathrow with the book about Afghan guerrilla warfare

       Dr Alan Mendoza, of anti-extremism think tank the Henry Jackson Society, said: “Amazon haven’t done their homework.

       "One book even contains the word ‘terrorist’ in the title.”

       Amazon declined to comment and eBay said the books were legal.

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       Emwazi was responsible for beheading British hostages David Haines and Alan Henning.

       He was killed by a US drone strike in 2015.

       Other twisted reads available to purchase include books on jihad and chemical weapons studied by the failed July 21st 2005 bomb plotters.

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