This is the largest and most comprehensive geological work of this distinguished author. It exhibits the profound learning, the felicitous style, and the scientific perception, which characterize his former works, while it embraces the latest results of geological discovery. But the great charm of the book lies in those passages of glowing eloquence, in which, having spread out his facts, the author proceeds to make deductions from them of the most striking and exciting character. * * * * * --> The above works may be had in sets of uniform size and style of binding. VALUABLE WORKS. KNOWLEDGE IS POWER: A VIEW OF THE PRODUCTIVE FORCES OF MODERN SOCIETY, and the Result of Labor, Capital, and Skill. By CHARLES KNIGHT. American edition, with Additions, by DAVID A. WELLS, Editor of "Annual of Scientific Discovery," &c. With numerous Illustrations. 12mo, cloth. $1.25. This work is eminently entitled to be ranked in that class, styled, "BOOKS FOR THE PEOPLE." The author is one of the most popular writers of the day. "Knowledge is Power" treats of those things Which "come home to the business and bosoms" of every man. It is remarkable for its fullness and variety of information, and for the felicity and force with which the author applies his facts to his reasoning. The facts and illustrations are drawn from almost every branch of skilful industry. It is a work which the mechanic and artizan of every description will be sure to read with a RELISH. This is a work of rare merit, and touches many strings of importance with which society is linked together. No work we have ever seen is better calculated to inspire and awaken inventive genius in man than this. Almost every department of human labor is represented, and it contains a large fund of useful information, condensed in a volume, every chapter of which is worth the cost of the book. It would be an act of manifest injustice to the community for any editor to feel an indifference about commending this volume to a reading public.--N.Y. CH. HERALD. The style is admirable, and the book itself is as full of information as an egg is of meat.--JOURNAL. As teachers we know no better remuneration, than for them FIRST to buy this book and diligently read it themselves; SECOND, to teach to their pupils the principles of industrial organization which it contains, and of the facts by which it is illustrated. It is one of the merits of this book that its facts will interest youthful minds and be retained to blossom hereafter into theories of which they are now incapable. THIRD, endeavor to have a copy procured for the district library, that the parents may read it, and the teachers reap fruit in the present generation.--N.Y. TEACHER.