You're about to listen to a BBC podcast, but this is about something else you might enjoy.

My name's Katie Lecky and I'm an assistant commissioner for on demand music on BBC Sounds.

The BBC has an incredible musical heritage and culture and as a music lover, I love being part of that.

With music on sounds, we offer collections and mixes for everything, from workouts to

helping you nod off, boogie in your kitchen, or even just a moment of calm. And they're all

put together by people who know their stuff. So if you want some expertly curated music in your life,

check out BBC Sounds. This is a download from the BBC. To find out more, visit BBC.com.ukuk slash radio four.

Hello on today's program, the best-selling thriller writer Harlan Coburn on the unexpected trauma of recording his own audiobook.

I'm like, oh my God, did I write that? Can I change that still?

Dang, the book's published already? Oh my God, that's horrible. How did I do that?

You know, I'm still beating myself up. More from him in a moment.

And the subject of how to sell more books was high on the agenda at this week's London

Book Fair. But it was Turkey, this year's's guest of honour who may have found the answer.

We investigate the phenomenal success story,

which has seen a 300% increase in the number of books published in that country in the last 10 years.

And we take a rye literary look at how cheap airfares have changed our view for better and for worse.

But first, the thriller writer with the Midas touch,

whose name can't help but be familiar, omnipresent as it is,

on displays from airport stalls to supermarkets,

literary bookstores to high street chains.

Harlan Coben series about a gumshoe called Myron Bolatar won him legions of fans, but it

was standalone stories like Tell No One adapted into a French César winning movie and the

...