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, I'm Harriet Gilbert. Thank you for downloading a good read, the podcasts,

where two guests and I recommend books we love and describe why we love them.

We don't always see eye to eye, but I hope you'll find some great reading suggestions here.

Hello, a terrifying school siege and married love on the southwest coast path.

Not easy to say that.

Anyway, with me this week, via the internet, to tantalise you with their choice of book,

are two actors.

Pippa Haywood has appeared in a wealth of radio and TV dramas, including among the latter Green Wing, The Bodyguard and Map and Lucia.

She's recently been filming the Regency drama Bridgeton for Netflix and the movie Supernova with Colin Firth, both due out this year.

With Pippa is Felicity Montague, perhaps best known as Alan Partridge's personal assistant Lynn.

Felicity's big screen credits also include Bridget Jones's diary and the 2016 Dad's Army

and coming out shortly, Miss Marks with Romola Gry. On TV among much else, like Pippa, she was in Map and Lucia. So, your old friends,

but do you share a taste in books? Let's find out. Pippa Haywood, you first. What's your choice

...