2. =The Librarian.= There is a close analogy between the work of the librarian in the public library and that in the Sunday school. For the public library everywhere a specialist is sought, one who knows books, can select them wisely, and can aid seekers after literature in their reading. The Sunday school needs just such a librarian, and all the more because the scholars cannot select from the open shelf, but must guess at the quality of a book from its title in the catalogue. It has been noticed that wherever a Sunday-school library is successful in holding the interest of the scholars there is found with it a librarian adapted to his work and devoting himself to it. We notice the characteristics of a good librarian in the Sunday school: (1) _A Bookman._ He is a lover of books, acquainted with them, and interested in good literature. His work is more than to distribute books: he should aid, sometimes supervise, their collection. (2) _A Business Man._ He is practical, orderly, and systematic in his ways of working; with a plan for his task, and fidelity in accomplishing it. (3) _Gentle in Manner._ Opportunities will be frequent for the librarian to clash with the scholars on the one hand, or with the superintendent upon the other. With one he may appear arbitrary, with the other disorderly, his work sometimes breaking into the program of exercises. He should be pleasant toward all, uniform in his dealings, and attentive to the general order of the school. 3. =His Assistants.= In most schools one assistant, in large schools several assistants, will be required by the librarian. He should nominate them, subject to the approval of the governing board of the school; and should require of them regular and prompt attendance, and attention to their work in the library. It is very desirable that the business should be so arranged as to allow the librarians to take part in the opening devotional service with the school, and not to be at work arranging books while others are at prayer. 4. =The Management of the Library.= This involves four processes: the collection, the assignment, the distribution, and the return of the books. (1) _The Collection._ The books can easily be collected without interfering with the order of the school, if the library window is near the entrance to the building, and the scholars as they enter leave their books at the library. This is the method employed in most schools.