A South Yorkshire man has pleaded not guilty to a terrorism related offence.
Jack Coulson, aged 18, of Mexborough denied 'possessing a document likely to be useful to a person committing terrorism'.
Coulson appeared at Westminster Magistrates' Court via video link from Leeds Magistrates' Court.
It is alleged that between January 3 and January 20 this year, he possessed a document called The Big Book Of Mischief.
The court heard the document contained information of a kind likely to be useful to a person looking to commit an act of terrorism.
Coulson, who was arrested on Tuesday, was remanded in custody to appear at the Old Bailey on March 1.