Simon de Wolfe, from Brighton, was among science fiction fans who assembled in Glasgow as the Satellite 4 British Science Fiction Convention got under way.
The biggest sci-fi convention in the UK, now in its 65th year, opened at the city's Crowne Plaza Hotel yesterday.
More than 850 delegates from across the UK, Europe and the United States are expected to attend, and the event is predicted to generate more than £500,000 for the local economy through spending in the city's hotels, restaurants, shops, bars and other businesses.
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Speakers include authors Juliet E McKenna and John Meaney, artist Jim Burns and the world-renowned British scientist Dame Jocelyn Bell Burnell.
John Wilson of Satellite 4, said: "This is the largest, and longest-running, general science fiction convention held in the UK, featuring academics, writers, artists, publishers and other leading experts from across the sci-fi and fantasy genres."
Picture: Phil Rider