The great popularity of the "Little Classics" has proved anew the truth of Dr. Johnson's remark: "Books that you may carry to the fire, and hold readily in your hand, are the most useful after all." The attractive character of their contents has been very strongly commended to public favor by the convenient size of the volumes. These were not too large to be carried to the fire or held readily in the hand, and consequently they have been in great request wherever they have become known. _The Vest-Pocket Series_ consists of volumes yet smaller than the "Little Classics." Their Lilliputian size, legible type, and flexible cloth binding make them peculiarly convenient for carrying on short journeys; and the excellence of their contents makes them desirable always and everywhere. The series includes STORIES, ESSAYS, SKETCHES, AND POEMS SELECTED FROM THE WRITINGS OF _Emerson_, _Longfellow_, _Whittier_, _Hawthorne_, _Carlyle_, _Aldrich_, _Hood_, _Gray_, _Aytoun_, _Tennyson_, _Lowell_, _Holmes_, _Browning_, _Macaulay_, _Milton_, _Campbell_, _Owen Meredith_, _Pope_, _Thomson_, AND OTHERS OF EQUAL FAME. The volumes are beautifully printed, many of them illustrated, and bound in flexible cloth covers, at a uniform price of =FIFTY CENTS EACH.= JAMES R. OSGOOD & CO., PUBLISHERS, BOSTON. WORKS OF DR. JOHN BROWN. "_Of all the John Browns, commend us to Dr. John Brown, the physician, the man of genius, the humorist, the student of men, women, and dogs. By means of two beautiful volumes he has given the public a share of his by-hours; and more pleasant hours it would be difficult to find in any life._"--London Times. SPARE HOURS. First Series, I vol. 16mo. Cloth, $2.00; Half calf, $3.75. _CONTENTS._--Rab and his Friends.--"With Brains, Sir."--The Mystery of Black and Tan.--Her Last Half-Crown.--Our Dogs.--Queen Mary's Child-Garden.--Presence of Mind and Happy Guessing.--My Father's Memoir.--Mystifications.--"Oh, I'm wat, wat!"--Arthur H. Hallam.--Education through the Senses.--Vaughan's Poems.--Dr. Chalmers.--Dr. George Wilson.--St. Paul's Thorn in the Flesh.--The Black Dwarf's Bones.--Notes on Art.