NCBI Bookshelf
NCBI Bookshelf is a free biomedical books website for full-text books, reports, clinical guidance, documentation, and searchable life sciences and healthcare reference works.
What NCBI Bookshelf is
NCBI Bookshelf is a website at ncbi.nlm.nih.gov/books that provides free online access to books and documents in life science and health care. It is developed and managed by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine.
What it contains
Bookshelf includes full-text books, reports, evidence reviews, clinical guidance, technical documentation, reference works, and other scholarly materials. Some titles are current living resources, while others are archived editions. The useful habit is to check the title page, publication date, source organization, edition, and any archive or update notices before relying on a chapter.
How search works
Users can search across the whole Bookshelf collection or inside a particular book or series. Search results can include chapters, sections, appendices, figures, tables, glossaries, references, and other indexed parts of a title. That makes the site useful for precise lookup, but it also means readers should open the surrounding chapter to understand context.
Links across NCBI
Bookshelf is integrated with other NCBI resources, including PubMed, PubMed Central, Gene, PubChem, and related databases. Those links help readers move between narrative explanations, biomedical citations, molecular data, chemical records, and other structured resources without treating any single page as the whole story.
Books, reports, and versions
Unlike a journal article page, a Bookshelf record may represent a whole book, a chapter, a guideline, a report series, or documentation that changes over time. Version awareness matters. A chapter from an older edition can still be useful historically, but it may not reflect current clinical practice, terminology, or evidence.
Copyright and permissions
Free access on Bookshelf does not mean every title has the same reuse rights. Copyright and permissions vary by publisher, author, sponsor, license, and collection. Readers, educators, and developers should check the copyright notice for the specific book or chapter before copying, redistributing, adapting, or mining the content.
Who uses it
Bookshelf is useful for students, clinicians, researchers, librarians, public health workers, educators, and anyone who needs structured biomedical background material. It is especially helpful when a question is better answered by a book chapter, guideline, review, manual, or curated report than by a single journal abstract.
Why it matters
NCBI Bookshelf matters because biomedical knowledge is not stored only in journal articles. Books, reports, guidelines, and documentation often explain mechanisms, standards, methods, and evidence syntheses in ways that individual papers cannot. A free, searchable full-text collection gives readers a practical bridge between research literature and usable reference knowledge.
WHOIS domain data
Data pulled: June 1, 2026View current WHOIS record
- Domain
- nih.gov
- IP address
- 156.40.212.210
- Registrar
- get.gov
- WHOIS server
- whois.nic.gov
- Referral URL
- https://get.gov
- Created
- October 2, 1997
- Updated
- March 4, 2026
- Expires
- August 22, 2026
- Nameservers
- ns.nih.gov (128.231.128.251); ns2.nih.gov (128.231.64.1); ns3.nih.gov (165.112.4.230)
- Domain status
- serverTransferProhibited
- DNSSEC
- signedDelegation
- Contact privacy
- Registrant, administrative, and technical contact details are redacted for privacy in the Who.is record.