1937
Volumes 1-5
University of Knowledge
Glenn Frank, Editor in Chief
Volume 1: The Earth Before Man (The Story of How Things Began) pp. 380
Volume 2: The Story of Man (His Earliest Appearance and Development to the Portals of History) pp.383
Volume 3: The Dawn of Civilization (And Life in the Ancient East) pp. 384
Volume 4: Selected Readings from Much Loved Books pp. 384
Volume 5: History of the World (From Ancient Crete to the End of the Middle Ages) pp.383
Very good condition (see photos)
No writing
Bindings are tight
No foxing
Profusely illustrated (see photos) 
Dimensions: 9 1/2" x 6 1/4" x 1 1/8" (each  book)