Triskaidekaphobia is fear of the number 13.
Friday the 13th, also known as Black Friday in some countries, is considered an unlucky day in Western superstition. How much do you know about it? Try this quiz to test your knowledge – we got 60%..
Or here’s two crime novels featuring the dreaded date
All in a day by Sylvia Ann Baxter
It’s Friday the 13th back in 1958, and as the quaint Yorkshire Dales village of Dibbledale awakes, unsuspecting as to what lies ahead on that infamous day of bad luck and superstition, a number of personal dramas, narrated with humour and a touch of pathos, are all to be played out. Following tales of love, deceit, hope, and schoolboy pranks, before the hour of midnight each will know their fate, when lives will be changed forever for either better or for worse
Footsteps on the shore by Pauline Rowson
Friday the 13th begins badly for DI Andy Horton when he wakes to find his Harley has been vandalized and his boss, DCI Lorraine Bliss, has returned early from her secondment to HQ. Then, convicted murderer, Luke Felton, released on licence, is reported missing and a decomposed corpse is washed up in Portsmouth harbour