The phrase "a key book" is correct and usable in written English.
It can be used to refer to a book that is essential or very important in a particular field or context.
Example: "For anyone studying psychology, 'The Interpretation of Dreams' by Freud is considered a key book."
Alternatives: "an essential book" or "a crucial book".
The Dispossessed became a key book for me; I still re-read it every few years.
To try to make good this lack let's begin, uncontentiously, by observing that it is a key book about Yugoslavia.
A key book for Thiel is "The American Challenge," by the French writer J. J. Servan-Schreiber, which was published in 1967 and became a global best-seller.
Cyrille Lachevre, author of a key book on Lagarde, said: "She's still one of the most popular politicians on the right in France.
RoseLee Goldberg, the art historian who founded the festival, in 2005, and who wrote a key book on the genre, in 1979, has become performance art's P. T. Barnum.
Until retirement in 1984 he taught art at the Marylebone Institute and the Quintin Kynaston school in St John's Wood, and even turned a sub-specialty in picture framing into a key book that is still in print.
Meanwhile, that "astonishingly" is a key word in the book.
Any conclusions she draws are tied to the process (a key word in the book) by which they are being teased out.
A second key book about personal wayfinding is Clayton Christensen's excellent How Will You Measure Your Life? Designing Your Life is also available as an eBook on OverDrive, an audiobook on OverDrive, and on Business Bestsellers Kindles at the Ford Library.
Rule 5 – "Drive" Is A Great Book, But Don't Over-Think Its Intent: (Actually this applies to about half a dozen key books. You know the ones I mean).
There were a few key books which were published earlier than this and these were also consulted.
