GETTY/Rumiyah The truck which killed 12 victims in Berlin had similar specs to the truck in the ISIS magazine

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“Just Terror Tactics”, published last month in the terror group’s monthly Rumiyah magazine, instructed its jihadi readers to drive a lorry into an outdoor market which would cause a bloodbath and “harvest” a large number of non-believers.

If one is rich enough, then it is best if the militant buys a vehicle. The second most preferable option is to rent one Islamic State's "Just Terror Tactics" article

Referring to July’s Nice attack as a “superb demonstration” of “carnage”, the horrifying four-page murder manual said a high-speed assault will: “Smash their bodies, while crushing their heads, torsos and limbs under the vehicle’s wheels, leaving a trail of carnage”.

Rumiyah A snapshot of Islamic State's monthly Rumiyah magazine

GETTY An intimate vigil honouring the victims of the Nice attacks in July

The manual praised the Nice attacker for "ploughing his 19-ton load-bearing truck into crowds" which slaughtered 86 Crusader citizens and injured 44 more. Within the explicit step-by-step guide which helped militants plan their own attacks, intricate details of the truck’s specifications were included.

Bastille Day Massacre: 84 dead Sat, July 16, 2016 84 people have been killed and 100 more injured in the southern French city of Nice after a lorry was 'deliberately driven' into a crowd celebrating Bastille Day in a confirmed terrorist attack. Play slideshow REUTERS 1 of 25 French President Francois Hollande giving a statement following the attack in Nice, during a national television address in Paris

The article read: “Vehicles are like knives because they are extremely easy to acquire and don’t arouse suspicion. “It is for this obvious reason that using a vehicle is one of the most comprehensive methods of attack as it presents the opportunity for just terror for anyone able to drive a vehicle. “Very few actually comprehend the deadly and destructive capability of reaping large number of casualties if used in a premeditated manner.”

GETTY The truck which initiated the Nice attack ploughed into a crowd along the French Riviera

The magazine been published in multiple languages including English, Russian, Pashto, Turkish, French, German and Uyghur, reaching a global network of jihadi’s that Sir Stuart Peach referred to in his first speech as Chief of the Defence staff, last week. During his speech, Sir Stuart said: “Terrorists are hiding in plain sight on a global scale" as they are "moving in migrant flows.”

GETTY The truck used in the Berlin attacked the busy Christmas market in Berlin

Drawing the attention of its jihadi readers, the article said: “The target should be on a road that offers the ability to accelerate to a high speed, which will inflict maximum damage. “If one is rich enough, then it is best if the militant buys a vehicle. The second most preferable option is to rent one.”

REUTERS The horrific scene of Berlin's terror attack which killed 12 victims