Ninjas are silly. They are the flower fairies of gong fu and karate.

Knowing when to leave requires training.

To my irritation, you still can't flick through an ebook properly; you can't riffle the pages, you can't look at more than one page at once.

Sir Terry Pratchett - he was knighted in 2009, and on him it looked earned rather than entitled - wrote about dragons, wizards, turtles, witches, time-travelling monks, and suitcases with legs.

A lot of author events are basically hour-long classes in entropy perched on bad seating under bright, hard lights, with - if you're lucky - bad Chardonnay and cheese on a stick waiting for you at the end of the ride.

I'm not an absolutist about free speech. Intellectually, I believe that most of the time it's better to let things get said, argue them, and put lies and stupidities to rest. Practically, I know that newspapers rarely issue corrections with the same prominence they give to denouncements - and Twitter, by its nature, never does.