One of the best bits about being an author is the chance to turn up at book festivals (and as a science author, I get a double bite of the cake with science festivals). Last week I was lucky enough to be invited to two very different festivals, each with a very special feel. I've done a couple of the big numbers (Cheltenham and Edinburgh), but for me, small and mid-size festivals like these are far more charming. The first was Taunton Literary Festival , run in a very friendly, relaxed fashion from Brendon Books, an impressive indie bookshop that mixes new and used books on the shelves with refreshing abandon. As the event was actually in the bookshop, I was expecting a tiny audience, but somehow organiser Lionel Ward managed to cram in a good 60 seats, all of which were filled by an appreciative audience. I've done my Reality Frame talk a few times, but never quite so intimately with my audience. I particularly enjoyed a moment when I was waiting to start, sitti...