Ch. 1. Introduction. 1.1. The transverse-spin structure function and the transversity distributions. 1.2. A first look at g2. 1.3. A prelude to transversity. 1.4. Notation and terminology. 1.5. Conventions -- ch. 2. Polarised deeply-inelastic scattering. 2.1. Basics of DIS. 2.2.…