10 copies of The Core by Peter V Brett to be won

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Best-selling author Peter V Brett is back, wrapping up one of the most popular fantasy sagas of the 21st Century.

The Core is the fifth and final book in The Demon Cycle - and this time the war has begun. Pitting rival heroes Arlen Bales and Ahmann Jadir against their demonic adversaries, The Core takes us into the very heart of the battle, on a desperate quest into the darkest depths of evil... Best pack some marmalade sandwiches, eh?

It's out now from HarperVoyager and we have 10 copies up for grabs. To be in with a chance of winning, simply answer this brain-teaser...