If the ever-expanding storylines of HBO's Game of Thrones - and the George RR Martin book series that inspired it - hasn't been enough to keep you titillated, you might just benefit from this heavily-researched list of Game of Thrones facts most people don't know.

To be honest, this is the kind of information your Game of Thrones pub quiz team has long been waiting for.

From how to get your own Direwolf, to the intriguing inspiration behind the dragons, here are sixty-one surprising facts about the world of Westeros... and beyond.

1. It’s been banned by the Turkish military

In November 2014, it was reported that a number of television programmes, including Game of Thrones, had been banned in military schools belonging to the Turkish army, in order to protect young people from: "sexual exploitation, pornography, exhibitionism, abuse, harassment and all negative behaviours" (dragons weren’t mentioned). According to a report in the Turkish daily newspaper Cumhuriyet, this isn't the first time that Game of Thrones has caused trouble within the country’s army. In 2012, officers were kicked out of a military academy in Istanbul for allowing cadets to watch the show.

2. Someone made a Game of Thrones tube map

Still struggle with the confusing bits of the Piccadilly line? Try planning a journey through Westeros, Essos and The North with the help of graphic designer Michael Tyznik, who has made his own TFL-style train maps to accurately reflect the geography of George RR Martin’s world.