BOTH INTERESTING AND RELIABLE 
NATURE STUDY TEXTS, REFERENCES, AND 
SUPPLEMENTARY READINGS 
Our list of books in this field is large, complete, and comprehensive. 
Mechanically, these volumes are very attractive, and with few exceptions, 
beautifully illustrated. They are well written by authorities in each field. 
A FEW LEADING BOOKS OF THE SERIES 
(Primary,.$ .90 
Cumming's Nature Study by Grades:-, Lower Grammar.60 
( Higher Grammar.75 
Carter’s Nature Study With Common Things,.60 
Comstock’s Book of Wild Flowers Which Blossom in April 
and May, .25 
Overton and Hill’s Nature Study, ..40 
Stokes’s Ten Common Trees,.40 
Walker’s Our Birds and Their Nestlings,.60 
Keffer’s Nature Studies on the Farm,.40 
Goff & Mayne’s First Principles of Agriculture,.. • .80 
Apgar’s Birds of the United States.2.00 
Apgar’s Ornamental Shrubs of the United States,.1.50 
And scores of others which are described in our Catalogue No. 643, 
“ The Study of Nature.” Write for it. 
American Book Company CINCINNATI^° R CHICAGO 
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