taining to the "King of Trades"; showing the care and use of
tools; drawing; designing, and the laying out of work; the principles
involved in the building of various kinds of structures, and the
rudiments of architecture. It contains over two hundred and fifty
illustrations made especially for this work, and includes also a
complete glossary of the technical terms used in the art. The most
comprehensive volume on this subject ever published for boys.

* * * * *

ELECTRICITY FOR BOYS

The author has adopted the unique plan of setting forth the fundamental
principles in each phase of the science, and practically applying the
work in the successive stages. It shows how the knowledge has been
developed, and the reasons for the various phenomena, without using
technical words so as to bring it within the compass of every boy. It
has a complete glossary of terms, and is illustrated with two hundred
original drawings.

* * * * *

PRACTICAL MECHANICS FOR BOYS

This book takes the beginner through a comprehensive series of practical
shop work, in which the uses of tools, and the structure and handling of
shop machinery are set forth; how they are utilized to perform the work,
and the manner in which all dimensional work is carried out. Every
subject is illustrated, and model building explained. It contains a
glossary which comprises a new system of cross references, a feature
that will prove a welcome departure in explaining subjects. Fully
illustrated.

* * * * *

_12mo, cloth. Price 60 cents per volume_

The Ethel Morton Books

By MABELL S. C. SMITH

* * * * *

This series strikes a new note in the publication of books for girls.
Fascinating descriptions of the travels and amusing experiences of our
young friends are combined with a fund of information relating their
accomplishment of things every girl wishes to know.

In reading the books a girl becomes acquainted with many of the
entertaining features of handcraft, elements of cooking, also of
swimming, boating and similar pastimes. This information is so imparted
as to hold the interest throughout. Many of the subjects treated are
illustrated by halftones and line engravings throughout the text.

LIST OF TITLES

ETHEL MORTON AT CHAUTAUQUA
ETHEL MORTON AND THE CHRISTMAS SHIP
ETHEL MORTON'S HOLIDAYS
ETHEL MORTON A