δ Scuti stars (review)

The general review of delta Scuti stars has been divided into the following topics: 1. General properties 1.1 Definitions 1.2 Subgroups 1.3 Excitation mechanism 1.4 Incidence of pulsation in the Lower Instability Strip 2. Brief history 2.1 The Radial Era 2.2 The Tidal Hypothesis 2.3 The USPV Hypothesis 2.4 Are the variations irregular or multiperiodic? 2.5 Hundreds of modes: the Nonradial Mixed Mode Era 3. HADS: the high-amplitude delta Scuti stars 4. The period - luminosity relations 5. Determining the multiple frequency structure of delta Scuti stars 5.1 The case for multisite campaigns 5.2 Photometric methods 5.3 Multisite networks for photometry 6. Preparing for asteroseismology: Determining atmospheric parameters from observations 7. Asteroseismology 7.1 The different approaches 7.2 A case study: FG Vir 7.3 A case study: 4 CVn 7.4 Rotation 8. Period changes and evolution.