Eleven climbers appeared to have died on the world's second highest mountain K2.

It was one of the deadliest days in mountaineering history.

Rock falls, avalanches.

Huge pieces of ice. All are big enough to kill you.

He just flew out into Devoid and he was gone.

How did it all go so wrong?

And is it really worth risking death to feel alive?

Why would somebody pay to go to a place called the death cell on a vacation?

Extreme.

Peak Danger.

With me, Natalia Melman Petrazella.

Listen to the full series now.

First on BBC Sounds.

BBC Sounds, music, radio, podcasts.

Hello, it's good to be back, eager to share with you books we love.

My guest today is a strange, two-headed sort of creature

in that I'm joined by the massively best-selling author, Nikki French,

whose psychological thrillers have sold more than 15 million copies worldwide.

The most recent, the last days of Kira Mullen, has just come out. But Nicky French is, as you may

well know, the joint pseudonym of two people, Nikki Gerard and Sean French, both authors in their own

right. And incidentally, or perhaps not

incidentally, as well as being a writing partnership, they're a married couple. And I'm going to go

...