=Boys' Heroes.= By Edward Everett Hale. Reading Union Library. 16mo, illustrated, cloth, $1.00. Twelve chapters containing the story told in Dr. Hale's characteristic style, of a dozen characters famed in history as worthy to bear the title of heroes, and the story of whose deeds and lives possesses a special interest for boys. =The Temperance Teachings of Science.= By Prof. A. B. Palmer, M. D. LL. D. A book for home and school use, presenting the strongest arguments in favor of temperance from the standpoint of the highest scientific authority, with an introduction by Mrs. Mary A. Livermore. 16mo, cloth, $.60. =But Half a Heart.= Seventh volume of the famous V. I. F. Series. By Marie Oliver. 12mo, $1.25. A new volume by a charming writer whose vigor and originality are winning for her a high place as a writer of choice romance. _D. LOTHROP & CO.'S NEW BOOKS._ =Wonder Stories Of Science.= Popular studies in elementary science, by various authors, very fully illustrated. 16mo, cloth, $1.50. =Pine Cones.= By Willis Boyd Allen. 12mo, cloth, illustrated, $1.00. A story of adventure for girls and boys by an author who possesses the secret of success as a writer for the young. =What's Mine's Mine.= By Geo. MacDonald, author of "Annals of a Quiet Neighborhood." 12mo, cloth, illustrated, $1.50. Published from the original manuscript in advance of its appearance in England. A fascinating fairy tale. =Echoes Of Many Voices.= A collection of short sayings from various sources, compiled by Elizabeth A. Thurston. Spare Minute Series. 12mo, extra cloth, $1.00. As a compendium of wit and wisdom, sense and sentiment, in their most terse and attractive expressions, this volume is unrivalled. =Tom Tits and Other Bits.= With other verses, by Amelia M. Starkweather. Quarto, extra cloth, finely illustrated, $1.00. Pleasant stories and sketches in verse, with illustrative pictures of unusual merit. =Life of General U. S. Grant= by E. E. Brown. 12mo. $1.50. Containing a sketch of his political services, with portrait and illustrations. Has been long in preparation and is the careful and successful work of a popular writer. =Up Hill and Down Dale.= By Laura D. Nichols. One of the valuable and fascinating natural history volumes, or "nature-books," similar to "Overhead" and "Underfoot," which have proven so popular in home circles and reading unions. 12mo, cloth, $1.75. Boards, $1.25.