En el comienzo
By: [redacción, Benhur Sánchez Suárez ; ilustración, Juan Gabriel Caycedo].
Contributors: Caycedo, Juan Gabriel.
Publisher: Published for Voluntad
Published: 1978
Place of publication: Austin, Tex
Language: spa
Number of pages: 32
Subjects: Prehistoric peoples -- Juvenile literature.; Paleontology -- Juvenile literature.; Spanish language -- Readers -- Juvenile literature.
Genres: Juvenile literature.
Notes: "Age Group: 8-10"--Back cover.