Matt Haig

We often joke about men moaning about being ill, whether it's man flu or anything else. We want them to be silent and strong about these things. And that's quite dangerous when it comes to depression, because talking about it helps. People bottle it up until it's too late.

Many of Judy Blume's books - which I devoured when I was growing up and where I found characters that were believable because they were a lot like me - caused considerable consternation when they were first published, but now they're widely accepted as an essential part of the children's literary canon.