‘Without a doubt, the greatest mystery writer of all time’ – Ragnar Jonasson‘Agatha Christie is the gateway drug to crime fiction both for readers and for writers’ – Val McDermid‘She gives us an insight into human nature that few, if any, have surpassed’ – Susan Lewis‘Dame Agatha has sold more books than all besides Shakespeare and the Bible’ – David Baldacci‘All crime fiction writers around the globe owe Agatha Christie a massive debt’ – Peter James‘Reading a perfectly plotted Agatha Christie is like crunching into a perfect apple: that pure, crisp, absolute satisfaction.’ – Tana French