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Dr. Brewer's Guide to Science ;

Or, the Scientific Knowledge of Familiar Things. 490 pages. Price

62; cents.
The object of this book is to explain scientifically and in the most con-
cise and intelligible manner, about 2000 questions of the common
phenomena of life, such as these, -

Why does lightning turn beer and milk sour?
Why do leaves turn brown in autumn?
Why is mortar adhesive ?
Why are coals black-snow white-leaves green-violets blue--and roses

It contains an amount of useful information never before collected in
Bo convenient a shape. The Guide to Science is designed
1. For a School Class-Book. The questions are such as are familiar

to every person, and should be understood by every child. Who
has not been asked by a child some such questions as these which
follow ?

Why does a candle show light?
Why is ice cold and fire hot ?
Why does water boil and freeze ?

Why does the air dry damp linen?
And how often is a child called “troublesome and foolish for asking
such silly questions ?" The object of Dr. Brewer's Guide to Science
is to supply answers to about 2000 such questions, in language so
simple that every child may understand it, yet not so childish as to

offend the scientific. 2. For a Reading and Lecture-Book. It would form a most excellent syllabus for private or school-room lectures, for

“ Unlike most books, the title comes very far short of the contents. We must cordially commend it to all who have to do with the subject of education, for it is truly a production which deserves unqualified praise, and all

possible encouragement.”—Christian Witness. 3. For Private Families and Individuals. “ It will be difficult to over-rate the value of this very popular little vol

It is no ephemeral publication, but a really correct and instructive digest of the best scientific information extant upon all the most common phenomena with which we are familiar. It is a most charming family-book,

and cannot fail to interest all classes of people.”—Evangelical Magazine. 4. For Railway Travellers. Every question is an independent ques

tion, and every answer complete in itself. The book may be opened at any page, and laid aside at any line. It is not needful to read a previous page to understand a subsequent one, but the traveller may amuse himself by turning from one part of the book to another with entire freedoin.

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6. For Evening Amusements, and the Social Fireside. Every ques

tion would make a sort of conundrum or enigma, and much amusement might be mingled with instruction by those who take the “Guide to Fanıiliar Science" as a text-book to puzzle and to please.

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