Ciekawostka: The Guinness Book of Records holds the record for being the book most often stolen from Libraries

Evidence: 64 • authority: 72

Many books have been borrowed from a library and only returned after decades or centuries. These are often found when people go through their deceased relatives' belongings. Some libraries have foregone overdue fees to encourage use of their services, possibly leading to more of these returns taking place. Some of these cases have been listed by publications such as Reader's Digest, and multiple examples have been listed by The New York Times. As of January 2025, the Guinness World Record for "most overdue library book" is held by a 1609 German book about the Archbishop of Bremen, which was borrowed from Sidney Sussex College, Cambridge by Colonel Robert Walpole in 1667–68 and found by Prof…

Evidence: 45 • authority: 72

The Guinness Book of Records lists 410 feature-length film and TV versions of Shakespeare's plays, making Shakespeare the most filmed author ever in any language. As of October 2026, the Internet Movie Database lists Shakespeare as having writing credit on 1,900 films, including those under production but not yet released. The earliest known production is King John from 1899.

Evidence: 45 • authority: 72

Theft from libraries of books, historical documents, maps and other materials from libraries is considered a significant problem. One study commissioned in the UK estimated the average loss rate of libraries to theft at 5.3%. In the U.S. state of Pennsylvania, the third conviction for library theft is a felony, regardless of the value of the material. Library thieves, who may be staff or regular visitors of the library, risk being discovered if a book is found in the library catalog, but is missing from the shelves. To avoid this, some thieves also steal the corresponding catalog card.

Evidence: 45 • authority: 80

Human records and a tribute to the Guinness Book of World Records

Evidence: 45 • authority: 80

The Guinness book of sports records, 1991

Evidence: 45 • authority: 80

Nominations for the Guinness World Records Book

Evidence: 45 • authority: 80

Love and "The Guinness Book of Records"

Evidence: 45 • authority: 80

The Guinness Book of Management Records

Evidence: — • authority: 35