A Book TO Buy. - Webster's International Dictionary. This new book is the authentic "Unabridged" thoroughly revised and enlarged under the supervisión of Noah Porter, D. D., LL. D., of Yale University. Editorial work on the revisión has been in active progress for over ten years, and more than a hundred paid literary workers have been engaged upon it. The sum expended in its preparation before the first copy was printed exceeded 1300,000. This work, well used in a family, will be of more valué to the members thereof than many times its cost laid up in inoney.