This is a long-awaited and much-needed study, one that provides a 'natural history' of lapses, those extended, often 'awkward' periods of silence in conversation when no one is talking although talk is expected. We are all familiar with lapses, but who would have thought they are so highly organized? Here we learn that they are not inadvertent but are instead achieved and that they serve a clear purpose in the overall structure of ordinary conversation. Hoey's approach, grounded in Conversation Analysis, is compelling in its observational richness. He has given us a book that is eminently readable and deserves a prominent place on the desk of all students of talk-in-interaction.