Robert Gottlieb didn’t just edit books. He voraciously read and collected them.

On Saturday, a portion of his personal library — his books on show business — were sold at a fair in the lobby of the Metrograph theater on Manhattan’s Lower East Side.

When Mr. Gottlieb, who died last June at 92, wasn’t heartlessly lancing thousands of words out of Robert Caro’s biographical volumes or marking up the manuscripts of Toni Morrison and Salman Rushdie, he loved watching movies. Along the course of his career, he built a vast collection of books on Hollywood’s golden age.

His family was unsure what to do with the collection until earlier this year, when they started talking with Metrograph, a two-screen cinema that is a pillar of the downtown art house scene.

Visitors lined up to buy “My Life with Chaplin,” “Fasten Your Seat Belts: The Passionate Life of Bette Davis,” “Little Girl Lost: The Life & Hard Times of Judy Garland” and hundreds of other books. When they opened them, they found a stamped seal reading “From the Library of Robert Gottlieb.” The books were priced around $15 to $40.

Reinaldo Buitron, 28, a documentary filmmaker, flipped through a book about the Italian director Roberto Rossellini.

“Being able to touch the same books Gottlieb had in his own home is surreal,” he said. “I see we admired the same films, and that makes me think we might have gotten along. That we could have sat for dinner and talked cinema and about his opinions on semicolons.”