This book serves well as an introduction into the more theoretical aspects of the use of spline models.

Foreword; 1. Background; 2. More splines; 3. Equivalence and perpendicularity, or, what's so special about splines?; 4. Estimating the smoothing parameter; 5. 'Confidence intervals'; 6. Partial spline models; 7. Finite dimensional approximating subspaces; 8. Fredholm integral equations of the first kind; 9. Further nonlinear generalizations; 10. Additive and interaction splines; 11. Numerical methods; 12. Special topics; Bibliography; Author index.