LIGHT:

Being Part II. of _Science for the Young_. By JACOB ABBOTT. Copiously

Illustrated. 12mo, Illuminated Cloth, black and gilt, $1 50.

Treats of the theory of "Light," presenting in a popular form the latest

conclusions of chemical and optical science on the subject, and

elucidating its various points of interest with characteristic clearness

and force. Its simplicity of language, and the beauty and

appropriateness of its pictorial illustrations, make it a most

attractive volume for young persons, while the fullness and accuracy of

the information with which it overflows commends it to the attention of

mature readers. --_N. Y. Tribune._

Like the previous volume, it is in all respects admirable. It is a

mystery to us how Mr. Abbott can so simplify the most abstruse and

difficult principles, in which optics especially abounds, as to bring

them within the grasp of quite youthful readers; we can only be very

grateful to him for the result. This book is up to our latest knowledge

of the wonderful force of which it treats, and yet weaves all its

astounding facts into pleasing and readable narrative form. There are

few grown people, indeed, whose knowledge will not be vastly increased

by a perusal of this capital book. --_N. Y. Evening Mail._

Perhaps there is no American author to whom our young people are under

so great a debt of gratitude as to this writer. The book before us, like

all its predecessors from the same pen, is lucid, simple, amusing, and

instructive. It is well gotten up and finely illustrated, and should

have a place in the library of every family where there are children.

--_N. Y. Star._

It is the second volume of a delightful series started by Mr. Abbott

under the title or "Science for the Young," in which is detailed

interesting conversations and experiments, narratives of travel, and

adventures by the young in pursuit of knowledge. The science of optics

is here so plainly and so untechnically unfolded that many of its most

mysterious phenomena are rendered intelligible at once. --_Cleveland

Plain Dealer._

It is complete, and intensely interesting. Such a series must be of

great usefulness. It should be in every family library. The volume

before us is thorough, and succeeds in popularizing the branch of

science and natural history treated, and, we may add, there is nothing

more varied in its phenomena or important in its effects than light.

--_Chicago Evening Journal._

Any person, young or old, who wishes to inform himself in a pleasant way

about the spectroscope, magic-lantern cameras, and other optical

instruments, and about solar, electric, calcium, magnesium, and all

other kinds of light, will find this book of Mr. Abbott both interesting

and instructive. --_Lutheran Observer._

Published by HARPER & BROTHERS, New York.

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