Husband and wife writing duo Nicci Gerrard and Sean French - who write collectively as Nicci French - pick favourite reads. Sean chooses the Western adventure True Grit by Charles Portis and Nicci opts for Tove Jansson's Moominland Winter, which she loved as a child and still loves today. Harriett Gilbert opts for Sorrow and Bliss by Meg Mason, a story of mental illness and family fallout