Val McDermid and Jo Sharp on the untold story of their new novel.

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If you’re interested in this episode you might also like Stephen Flynn: I don’t want to be First Minister (yet) https://www.bbc.co.uk/sounds/play/p0p5q38y One of Scotland’s most prolific crime writers Val McDermid (pictured) and Geographer Royal for Scotland Jo Sharp (also pictured) have teamed up to write about an overlooked period of Scottish history; the Darien Scheme. They talk to Martin and Laura about why they wrote the book, their memories of the 2014 independence referendum and why they want to pay more tax. Scotcast is the BBC’s Scottish news podcast. This episode is hosted by Martin Geissler and Laura Miller in front of a live audience at the Edinburgh Festivals. Get in touch: scotcast@bbc.co.uk