At home with a photographer in London preparing for the launch of The Good BookPhotograph: AC GraylingWe met up with my brother-in-law Matthew Hickman, who lives and works in NYC – here I am with him and my daughter Madeleine and stepson Luke under the clock in Grand Central StationPhotograph: AC GraylingMy wife Katie Hickman, photographed on a sunny day on top of the Empire State BuildingPhotograph: AC GraylingBook signing at Blackwell’s on 3 April – it was also my birthday. Luke was helping me outPhotograph: AC Grayling