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Six ways to store and preserve books on a bookshelf

Book condition depends on shelving, humidity, light, support and dust. Adapt preventive practices from the U.S. Library of Congress to a home bookshelf.

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The Library of Congress recommends a cool, relatively dry, stable environment, with similarly sized books upright and supported. Oversized books can lie flat on a fully supporting shelf. Fragile or valuable books may require conservation advice beyond routine home cleaning.

Your try-it-at-home checklist

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1. Keep bookshelves away from direct sun, radiators, HVAC outlets and areas prone to water leaks, such as damp basements or attics.
2. Minimize swings in temperature and humidity. As a preservation reference, the Library of Congress notes roughly 21°C (70°F) or below and 30–55% relative humidity for most books; also consider a safe and comfortable living environment.
3. Store similarly sized books upright with bookends to stop them leaning. Avoid packing shelves so tightly that covers and spines are damaged.
4. Lay oversized heavy books flat on shelves that support the entire volume. Do not shelve books with their spines facing upward.
5. Dust shelves and sound books with soft tools free of fragrances or chemicals; use a low-suction brush attachment only where a book's condition permits.
6. Isolate wet, moldy, pest-damaged or structurally fragile volumes and address the moisture source. Consult a conservator before treating a valuable or damaged book.

Library of CongressStoring Your Books - Preserving Your Books ↗Primary original guidance: cool, stable 30–55% RH, avoiding direct light, upright supported shelving, oversized books flat, dust control.Library of CongressHow do I preserve my books? ↗Official FAQ emphasizes stable clean dry storage, minimal light and similar-sized books together.Wikimedia CommonsFile:English and Bengali books in bookshelf.jpg ↗File-level authorship Billjones94 and CC BY-SA 4.0 license confirmed; reference only; direct HTTPS image tested.Wikimedia CommonsCommons: Reusing content outside Wikimedia - technical ↗Official technical policy permits hotlinking, attribution remains mandatory.

Your try-it-at-home checklist

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