Showing Lexicon by Max Barry

Sticks and stones break bones.
Words kill.

They recruited Emily from the streets. They said it was because she's good with words.

They'll live to regret it.

Wil survived something he shouldn't have. But he doesn't remember it.

Now they're after him and he doesn't know why.

There's a word, they say. It shouldn't have got out. But it did.

And they want it back...

Find out why in one of the most mind-bending, page-turning, thrilling novels you'll ever read.

*Winner of the Aurealis Award for science fiction and GoodReads Choice Awards finalist for best science fiction*