A "seminal book" refers to a book that has a significant impact on a particular subject or field. It is considered groundbreaking, influential, and often serves as a basis or inspiration for future works. Full definition
His many seminal books and media appearances has equipped all of us with the knowledge and skill required to continue and expand his live saving work. (greatpets.com)
-- Jonathan Rosenbaum, author of Placing Movies: The Practice of Film Criticism «Schrader's book is a classic — one of the very few seminal books on religion / spirituality and film. (ucpress.edu)
The bookstore project offers a selection of books influential to the artist and reprints of seminal books by Mr. Bragdon with supplementary content by Ms. Auerbach. (observer.com)