Biologist and author Merlin Sheldrake and science journalist Jo Marchant discuss their favourite books. Merlin picks The Age of Wonder, a biography intertwining different scientific innovators in the late 18th century. Richard Holmes' portrait explores how this period became an age of great discovery. Jo's choice, You Are Not a Gadget: A Manifesto, by computer scientist and virtual reality pioneer Jaron Lanier, explores the history of the digital world, what went wrong, and how problems might be fixed. Presenter Harriett Gilbert recommends magical children's novel The Sword in the Stone by TH White