6 books in series

Astronomy and Astrophysics Library

Astronomy and Astrophysics Library is a 6-book series with 6 primary works first released in 1973 with contributions by Martin Harwit, Peter Schneider, J. Ehlers, E.E. Falco, Carl J. Hansen, Françoise Combes, Patrick Boissé, Alain Mazure, Alain Blanchard, Gennady S. Bisnovatyi-Kogan, and Peter H. Bodenheimer.

Astrophysical Concepts
Galaxies and Cosmology
Principles of Star Formation
Stellar Interiors - Physical Principles, Structure, and Evolution
Gravitational Lenses
Stellar Physics: 2: Stellar Evolution and Stability