1. Approaching Beethoven's piano sonatas -- 2. The Bonn sonatas -- 3. The Opus 2 sonatas and Haydn -- 4. The sonatas of 1796-97 -- 5. The sonatas of 1798-1800 -- 6. New century, new approaches -- 7. A 'new path'? -- 8. The middle period opens up -- 9. A Clementi commission -- 10. Moving into the late period -- 11. The last three sonatas.