Guide to science / Time Life Books

 Time Life Books;

New York : Time life books , 1973

Machines / Robert O' Brien

 Brien, Robert O\';

New York : Time life books , 1968

Engineer / C.C. Furnas

 Furnas, C.C.; Carthy, Joe Mc.;

New York : Time life books , 1971

Physician / Russel V. Lee

 Lee, Russel V.; Eimerl, Sarel;

New York : Time life books , 1969

Scientist / Henry Margenan

 Bergamini, David; Margenan, Henry;

New York : Time life books , 1971