Part I Stellar structure, nucleosynthesis and evolution of low and intermediate-mass Stars.- Stellar Structure and Evolution: An Introduction.- Nucleosynthesis of Low and Intermediate-mass Stars.- Spectral Classification; Old and Contemporary.- Part II Massive stars, core collapse, explosive nucleosynthesis.- Weak Interaction Rates for Stellar Evolution, Supernovae and r-Process Nucleosynthesis.- Massive stars as thermonuclear reactors and their explosions...