AT USED BOOK sales, shoppers aren't deterred by softly worn corners, wrinkled jackets or a scuff or two. The treasure is between the covers: a world of information or fantasy. And browsing is half the fun. Sales scheduled this weekend and next offer bargain-basement prices and help support libraries:
* Enoch Pratt Free Library, 400 Cathedral St., Baltimore. Friday and Saturday, 10 a.m. to 4 p.m., and Sunday, 1 p.m. to 5 p.m. Call 396-5494.
* Baltimore County Public Library, Towson area branch, 320 York Road. Dec. 13, noon to 5:30 p.m.; Dec. 14, 9 a.m. to 5:30 p.m.; Dec. 15, noon to 4 p.m. Videos, audiocassettes, magazines and books are offered at prices ranging from 20 cents to $2.. Call 887-6166.
Literary organizations, presses and arts councils are invited to nominate writers for the Artscape '92 Literary Arts Awards. The contest categories are poetry, short story and play-writing. Manuscripts must be submitted by Jan. 27, 1992. For details, contact the Mayor's Advisory Committee on Art and Culture at 396-4575.
Scheduled this weekend at Waldenbooks at Eastpoint Mall: Friday, 6 p.m. to 9 p.m., Susan Stiles Dowell ("Great Houses of Maryland"); Saturday, 10 a.m. to noon, Roger Miller ("Baltimore: A Portrait") and noon to 2 p.m., Lynn Lockhart and Margaret Meacham ("The Rambling Raft"). Sunday, 1 p.m. to 3 p.m., Richard Gillespie ("The James Adams Floating Theater"). Call 282-1077.
Scheduled this weekend at Waldenbooks, Towson Town Center: Friday, 6 p.m. to 8 p.m., Gordon Beard ("Basic Baltimorese II"); Saturday, 1 p.m. to 3 p.m., Nina Tassi ("Urgency Addiction"); Sunday, 1 p.m. to 3 p.m., Mary Corrdry, ("City on the Sand: Ocean City, MD") and Susan Stiles Dowell. Call 821-7818.
Scheduled at Pyramid Books in Mondawmin Mall on Dec. 21 from 3 p.m. to 5 p.m., novelist Frank Pullen ("The Princess of Monique") 3 p.m. to 5 p.m. Call 383-8800.
Voluntary library assistants are needed at the Maryland Rehabilitation Center, which provides vocational services for disabled adults. If you have an interest in books and a willingness to help others, call the center at 554-3014. The center is located at 2301 Argonne Drive.
The Second Sunday program at Lambda Rising Bookstore features published and unpublished works by gay and lesbian writers. On Sunday, the store will host a reading by gay black poets from the Baltimore/Washington area. Many of the readers were featured in the poetry collection "The Road Before Us." For information, call 234-0069.
The next listing For Book Lovers will appear in this space on Dec. 24 due to the holiday. To submit items to the column, write to Jean Thompson, Features Editor, The Evening Sun, 501 N. Calvert Street, Baltimore, Md. 21278 or fax your listing to (410) 332-6666.