Can stopping time solve a murder . . . ? A delicious mystery adventure for fans of Robin Stevens and Cressida Cowellfrom the award-winning and bestselling author of the Pinch of Magic series.When the Morrow twins, Merry and Spike, arrive at dusty old Fox House, they think spending their holidays there is going to be dull. But they soon discover that there are secrets to the old house. A missing woman, a baby left on the doorstep, a locked study . . . As the mysteries pile up, the girls begin to investigate, using theirownsecret to help them: they can stop time!What happened in this old house? And can their strange powers help them solve a decades-old crime?Praise forTwice Upon a Time:Everything Michelle Harrison writes is gold dust and this is no exception. A thrilling 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! A twisty-turny inventive read full of adventure and magicHannah GoldA brilliantly plotted gothic mystery, children are going to love getting lost in Fox HouseZohra NabiSpell-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 it afresh Jack Meggitt-PhillipsA quirky, creepy, time-twisty murder mystery. I loved it!Lucy StrangeA thrilling and gripping murder mystery that plays out like an Agatha Christie or Sherlock Holmes novel.Phil HickesFabulous!Lisa Thompson