By global bestselling Anthony Horowitz, a brilliantly entertaining new locked-room mystery with a key that only Hawthorne can find.

'Easily the greatest of our crime writers' Sunday Times
'Funny, addictive and clever' Adam Handy
'There's a lovely Hitchcockian feel . . . a lot of fun.' Ian Rankin
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'Our deal is over.'

This is what reluctant author Anthony Horowitz tells ex-detective Daniel Hawthorne in an awkward encounter. The truth is that Anthony has other things on his mind.

His new play 'Mindgame' is about to open at London's Vaudeville theatre, and on opening night, Sunday Times critic Harriet Throsby gives the play a savage review.

The next morning she is found dead, stabbed in the heart with an ornamental dagger that has only one set of finger prints on it. Anthony's.

Anthony is arrested, charged with Throsby's murder, and thrown into prison.

Alone and increasingly desperate, he realises only one man can help him.

But will Hawthorne take his call?
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More love for The Twist of a Knife . . .

'A beautifully turned locked-room whodunit' The Sunday Telegraph

'A total joy. Anthony is a master entertainer, the genius twists and turns of his writing and plot keep me on the edge of my seat.' Rory Kinnear

'An absolutely wonderful writer' Richard Osman

'An immensely enjoyable read, funny, so clever and utterly original' Ragnar Jonasson

'One of the country's most recognisable writers' ITV News

'Thoroughly enjoyed it and devoured it in a little over 2 days!' 5-star reader review

'A mystery so slick, clever and fun to read that it's a genuine shame when you hit the end.' The Globe and Mail

'Delightfully entertaining' Airmail

'A delicious mystery [that] is bonkers and brilliant and a triumph' The Sun

'Horowitz blurs the lines between fiction and reality to hilarious effect' The Express

'Hugely entertaining' 5-star reader review

'A gripping tour de force' Woman's Own