Move and organize heavy book collections efficiently with this 3-tier rolling library book cart and mobile bookshelf built for demanding daily use. Double-sided W-shaped shelves keep books upright and easily accessible from both sides, while the heavy-duty powder-coated steel bookshelf construction supports up to 330 pounds of total weight across six shelf sections. Quiet-rolling swivel casters glide smoothly across hard floors and carpet, with two lockable wheels providing stable positioning during loading and browsing. The durable powder-coated finish protects against scratches and wear from frequent handling. Measuring 38.2 inches wide by 48.2 inches tall, this versatile rolling bookshelf and book truck serves equally well in public libraries, school media centers, office supply rooms, classrooms, or home studies. Each shelf holds up to 110 pounds individually, making this library book cart with wheels the ideal mobile book storage solution for organizing large collections.