In Northern Ireland, from the late 70s to the early 90s, the IRA killed over 40 alleged informers.

But the man who often found, tortured and sometimes killed these people on behalf of the IRA

was himself an informer, a secret British army agent with the codename Stakeknife.

Who gets to play God? And why me? Why my family?

When lies are still being told to this day, who do you believe?

I wouldn't even know where to start, and I'm with the IRA.

Steakknife.

Listen first on BBC Sounds.

BBC Sounds, music, radio, podcasts.

Hello, today from Tiger Mothers to the Death of Stars

via the extraordinary real-life story of a heart transplant.

With me to share their good read are first the Reverend Kate Botley,

presenter of among many other programs, Radio 2's Good Morning Sunday,

and on TV Songs of Praise,

and a former star along with her slippers of the reality show Gogglebox.

With Kate is the comedian come professional poker player Ken Cheng,

whose series Ken Cheng Chinese Comedium was chosen for Radio 4's pick of the year last year,

and who's currently on a UK tour of his stand-up show, Best Dad Ever.

Ken, would you start us off? Your choice of a good read, please.

Yes, so I went for the book, The Battle Hymn of the Tiger Mother, which caused quite a stir in 2011.

It's a memoir by a Chinese-American law professor named Amy Chua,

and it's about her parenting style in how she raised her two daughters.

...