Keys to Knowledge
We have a line of the best and cleanest hand books ever published. They are known as DIAMOND HAND BOOKS. Each one was written by a man or woman thoroughly conversant with the subject he or she treated. The facts are presented in an especially attractive manner so that every one who can read, can understand.
HERE ARE THE TITLES
PRICE, TEN CENTS EACH
SPECIAL
PRICE, FIFTEEN CENTS
If sent by mail, three cents must be added to the cost of each book to cover postage.
STREET & SMITH, 79 Seventh Avenue. NEW YORK