1. Preface cum introduction. 2. Classical solitons and solitary waves. 3. Monopoles and such. 4. Classical instanton solutions. 5. Quantisation of static solutions. 6. Functional integrals and the WKB method. 7. Some exact results. 8. Collective coordinates and canonical methods. 9. Semiclassical methods for Fermi fields. 10. Instantons in quantum theory. 11. Some more instanton effects. Appendices. References. Index.