By KATHARINE ELIZABETH DOPP, Ph. D.
The Extension Division of The University of Chicago.
Author of “The Place of Industries in Elementary Education.”

———————————

Book I. THE TREE-DWELLERS. THE AGE OF FEAR.
Illustrated with a map, 14 full-page and 46 text drawings in half-tone byHoward V. Brown. Cloth. Square 12mo. 158 pages.
For the primary grades.

Book II. THE EARLY CAVE-MEN. THE AGE OF COMBAT.
Illustrated with a map, 16 full-page and 71 text drawings in half-toneby Howard V. Brown. Cloth. Square 12mo. 183 pages.
For the primary grades.

Book III. THE LATER CAVE-MEN. THE AGE OF THE CHASE.
Illustrated with 27 full-page and 87 text drawings in half-tone byHoward V. Brown. Cloth. Square 12mo. 197 pages.
For the primary grades.

Book IV. THE EARLY SEA PEOPLE. FIRST STEPS IN THE CONQUESTOF THE WATERS.
Illustrated with 21 full-page and 117 text drawings in half-tone byHoward V. Brown and Kyohei Inukai.Cloth. Square 12mo. 224 pages.
For the intermediate grades.

Other volumes, dealing with the early development of pastoral andagricultural life, the age of metals, travel, trade,and transportation, will follow.