Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
First Published in 2001. This work is intended to portray the interrelationship of heredity, individual development, and the evolution of species in a way that can be understood by nonspecialists.