Explorers of the deep
Subtitle: from the oldest divers to the inhabitants of underwater cities
By: [by] Bohumil Kolář and Oldřich Unger ; illustrated by Karel Havlicek and Pavel Dvorsky; [translated from the Czech by Paul Wilson].
Contributors: Unger, Oldřich, joint author.
Publisher: Hamlyn
Published: 1976
Place of publication: London
Language: eng
Number of pages: 166
Subjects: Deep diving -- History -- Juvenile literature.; Underwater exploration -- History -- Juvenile literature.