Preface; 1. Auctions: institutional form and interactional organisation; 2. The orders of bidding; 3. Trust and the integrity of bids; 4. Establishing competition: creating an impression of demand; 5. Bidding and the pursuit of bids; 6. Remote presence and on-line participation; 7. On the strike of the hammer; 8. Embodied interaction and the order of markets; Appendix I. Glossary of terms; Appendix II. Transcription notation; References.