How to take the worry out of being close
Subtitle: an egg and sperm handbook
By: [Marian Johnson Gray and Roger W. Gray]
Contributors: Gray, Roger W.
Publisher: [s.n.]
Published: 1971
Place of publication: Oakland, Ca
Language: eng
Number of pages: 32
Subjects: Birth control; Contraception; Sexual health
Notes: Cover title.

Includes bibliographical references (p. 32).