Martell, Hazel. Exploring Africa / Hazel Mary Martell, Gerald Wood. - New York : P. Bedrick Books, 1997. - 48 p. : col. ill., col. maps ; 29 cm. - Voyages of discovery . Includes index. Tells of the many people who helped to map this mightly continent. 5-12 ISBN: 0872264904 LCCN: 97015230 Subjects--Geographic Terms: Africa--Discovery and exploration. LC Class. No.: DT3 / .M43 1997 Dewey Class. No.: 960