Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
John W. Harbaugh has had a career in geology and academia and is a Professor Emeritus of Geological Sciences at Stanford University. He is the author or coauthor of 12 books and has also been connected with oil industry for much of his career. He currently manages oil and gas properties in Oklahoma and Texas.