Is letting people in the developing world die – when a small donation could save them – morally akin to saving our shoes instead of a drowning child? That was the stark claim of Peter Singer’s 1972 thought experiment. Widely criticised yet hugely influential, it reshaped debates on global poverty and helped inspire the Effective Altruism movement. David Edmonds, bestselling author of Wittgenstein’s Poker and The Murder of Professor Schlick, returns to Jewish Book Week to discuss Death in a Shallow Pond with writer and philosopher Simon May.