Kerry Wilkinson self-published Locked in, the first of his Jessica Daniel crime novels in 2011 and saw it rise to the top of the UK's Kindle charts. It has now sold over 100,000 copies and the first three books in the series have been purchased over quarter of a million times between them.

In this interview, Kerry talks about the characters and plot of his novels.

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Buy Locked In: http://www.audiogo.com/uk/locked-in-kerry-wilkinson-gid-1001747