[Illustration]
=Industrial and Social History Series=
_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 by Howard V. Brown.
Cloth. Square 12mo. 158 pages; 45 cents.
_For the primary grades._
=Book II. THE EARLY CAVE-MEN.= THE AGE OF COMBAT.
Illustrated with a map, 17 full-page and 68 text
drawings in half-tone by Howard V. Brown.
Cloth. Square 12mo. 183 pages; 45 cents.
_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 by Howard V. Brown. Cloth. Square
12mo. 197 pages; 45 cents.
_For the primary grades._
=Book IV. THE EARLY SEA PEOPLE.= FIRST STEPS IN THE
CONQUEST OF THE WATERS. Illustrated with 21 full-page
and 110 text drawings in half-tone by Howard V.
Brown and Kyohei Inukai. Cloth. Square
12mo. 224 pages; 50 cents.
_For the intermediate grades._
_Other volumes, dealing with the early development of pastoral and
agricultural life, the age of metals, travel, trade,
and transportation, will follow._
[Illustration: _A map of the Cave-men’s country, showing the relative
position of the geographical features referred to in this book_]