Book Collecting Terms

noun a signature, especially of a famous person

verb to sign one's name on something

• The celebrity graciously signed an autograph for each fan waiting outside the event.
• I got the actor's autograph after the show, he was really nice.
• I scored the singer's autograph at the concert last night!
• His talent is like an autograph on every piece of work he creates, a signature of excellence.

noun a mark or label used to identify the location of a book or other item on a shelf

• The shelf mark for that book is located on the spine.
• Hey, can you tell me the shelf mark for this book?
• I couldn't find the book because the shelf mark was all messed up.
• His actions left a shelf mark on his reputation that he couldn't erase.