Can stopping time solve a murder? Journey to a house on aclifftop and discover the secret of a cursed painting in a puzzling mysteryfrom the bestselling and award-winning Michelle Harrison. For fans of RobinStevens and Cressida Cowell.

Our story begins with identical twins . . .

Spike and Merry are back on the case and this time they’re in Greece. Thecursed Medusa painting is up for auction, but anyone who looks at it directly,will die. When one of the bidders is found dead and the painting’s owner goesmissing, the twins use their time bending powers to investigate. Is it really acurse, or is someone out for revenge . . . ?

Praise forTwice Upon a Time:

Everything Michelle Harrison writes is gold dust and this is no exception. Athrilling mystery told by one of my favourite writers. I couldnt put it downAbi Elphinstone

‘There is no-one who writes sisterly bonds quite like Michelle Harrison! Atwisty-turny inventive read full of adventure and magic Hannah Gold

A brilliantly plotted gothic mystery, children are going to love getting lostin Fox House Zohra Nabi

Spell-bindingly good! A time-twisting triumph of mystery, magic, and mischief.Michelle Harrison has done it again. I wish I could rewind time to read itafresh Jack Meggitt-Phillips

A quirky, creepy, time-twisty murder mystery. I loved it! Lucy Strange

A thrilling and gripping murder mystery that plays out like an Agatha Christieor Sherlock Holmes novel. Phil Hickes

Fabulous! Lisa Thompson

About the Author

Michelle Harrison lives in Essex and has a son, Jack,and three cats: Marmite, Sorsha and Widdershins.

Her first novel, The Thirteen Treasures, won the WaterstonesChildren’s Book Prize and was followed by The Thirteen Curses and The ThirteenSecrets.

Michelle has since written One Wish, a prequel to TheThirteen Treasures books; The Other Alice, which won the Calderdale Book of theYear Award; and the bestselling Pinch of Magic Adventures: A Pinch of Magic,A Sprinkle of Sorcery, A Tangle of Spells, and A Storm of Sisters.