Siri Hustvedt

As one of four daughters, I grew up with an imaginary brother - wondering what it would have been like if one of us had been a boy. There's no question that there was a phantom boy child in my imagination when I was young.

Both depression and anxiety disorders, for example, are repeatedly described in the media as 'chemical imbalances in the brain,' as if spontaneous neural events with no relation to anything outside a person's brain cause depression and anxiety.

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.