Hawthorne.
All of the above titles can also be supplied in our famous STANDARD SERIES, handsomely bound in cloth, assorted colors, with an artistic design, at _FIFTEEN CENTS_ per volume, postage paid.

Special prices quoted to schools for larger quantities.
THE MERSHON COMPANY 156 Fifth Ave., New York Rahway, N.J.
[Transcriber's note: The spelling of "engigineer" in the advertising pages has been retained.].