Book excerpt: Hettie and Tilly are called in to investigate Agatha Crispy's stolen manuscript in another claw-biting case for the No. 2 Feline Detective Agency. When the celebrated crime writer Agatha Crispy engages Hettie and Tilly in the search for a stolen manuscript, our feline detective duo is plunged into a world of Dickensian thieves and murderers. Does the ghost of Jake the Nipper prowl the London Streets of Kitzrovia? Will Madame Two Paws' exhibition wax or wane? And will the secrets in the crypt of the church of St Mavis and Cucumber finally be revealed?