They are the same size and general make-up as the Pocket Guides to the birds, the wild flowers, etc., which sell each year into the hundreds of thousands.
The text is concise and up-to-date, and tells how to identify and care for each variety, what value it has for the garden, and the methods of propagation. All the illustrations have been specially made for this work by the best plant portrait painters in America.
Flexible Linen, each, net, $1.25. Flexible Leather, each, net, $1.50
THE WORTH KNOWING SERIES
Four Volumes, Containing Nearly 200 Illustrations, 144 of Which are in Color
Fully Indexed
Birds Worth Knowing By Neltje Blanchan Trees Worth Knowing By Julia Ellen Rogers Butterflies Worth Knowing By Clarence M. Weed Flowers Worth Knowing Adapted from the works of Neltje Blanchan By Asa Don Dickinson
The Worth Knowing Series forms a much needed in-between link to the larger Nature Library books and the handy, but necessarily limited, Pocket Nature Guides.
Each of these four volumes covers the most interesting American varieties of the subject treated.
A general introduction to each subject is followed by detailed descriptions of the most interesting families, and of the more important members in each group.
EACH VOLUME, NET, $1.60