☞ Harper & Brothers will send any of the above works by mail, postage prepaid, to any part of the United States, on receipt of the price.
"Learning made pleasant."
N. Y. Evening Post.
SCIENCE FOR THE YOUNG.
By JACOB ABBOTT.
ILLUSTRATED.
4 volumes, 12mo, Cloth, $1.50 each.
| I. | Heat. |
| II. | Light. |
| III. | Water and Land. |
| IV. | Force. |