and he took some inspiration from his customers.
Charlie Friel, 51, from Clydebank, has sold the Evening Times at St Enoch Square for the past 17 years and drew on his experiences on the job to get some of his best marks.
Last month he received a First Class Honours BA degree from the Open University at a ceremony in London.
Charlie said: "It is a great job, you meet all the characters of Glasgow.
"A lot of people I have known since I started still come to buy the paper.
"The best thing about it is people are all different and you learn some really quaint turns of phrase and, once or twice, I have used them in essays."
Charlie first started the course in 1997, but, after completing three modules, he fell ill and suspended his studies.
Shortly after that he got his job with the Evening Times and found he had no time to study.
But, in 2010, 10 years later, he stopped working on Saturdays and found himself with enough free time to resume his studies.
Charlie said he was always determined to get a First - the top mark at degree level - after he failed to get the grades he wanted when he first went to Glasgow University to study Classics at the age of 17.
Despite having to juggle his job and completing essays and assignments, Charlie managed to come out on top.
One of the best marks he got was for a piece he did based on analysing a report from a newspaper.
Charlie chose a story in the Evening Times' sister paper The Herald.
He said: "It was quite difficult because I had no time to study during the day, it was only evenings and Saturdays and Sundays, but the Open University structures it so you can do it.
"The best thing about it was all the reading, because I love books.
"Reading books is my hobby, I have wall to wall, floor to ceiling books.
"I did an English Language course on Old English and taught myself to read old English."
In total, Charlie completed seven courses in both English and Psychology, including English Language and The Nineteenth Century Novel.
He graduated on September 20, at the Barbican Centre, London, with a First Class Bachelor of Arts Honours degree.
Charlie said: "After my last degree I knew I had let myself down and I could get my First. I was determined to get it this year."