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

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Hello, today we're off to Kolkata in the company of three of Scotland's finest crime writers.

We'll be finding out how travelling and rubbing up against new cultures not only broadens the mind, but fuels new fiction.

And a tip for some great April reading.

But we start with the long-awaited fictional follow-up from the precocious talent that brought

us beasts of no nation. Uzzodombe O'uilohler wrote his devastating account of life through a

child soldier's eyes, later adapted as a movie starring Idris Elba when he was just 23.

Now, 13 years later, he returns with a novel, Speak No Evil, that feels curiously like a debut.

It's the rites of passage story of a teenage boy, Nero, growing up in Washington, D.C., struggling to reconcile the expectations of his well-to-do Nigerian parents with his high school

lifestyle and burgeoning homosexuality. When he's encouraged by his best friend Meredith to register

on gay dating apps, his father discovers the messages. Here's a reading. My father sits at the

kitchen table waiting when I open the door, and the space between

the silver fork and knife is occupied by a small black rectangle that I know is my phone. I swallow.

Good evening, daddy, I say. My father says nothing for a long time. He grinds his teeth and drums his

fingers on the table. This man that usually has so much to say about everything in his deep, imposing voice,

and gravely Nigerian accent is silent.

...