Interest
Proportion of Hacker News items mentioning "paperbacks" over time.
Mentions
Total number of Hacker News items mentioning "paperbacks" over time.
A paperback book is one with a thick paper or paperboard cover, also known as wrappers, and often held together with glue rather than stitches or staples. In contrast, hardback (hardcover) books are bound with cardboard covered with cloth, leather, paper, or plastic. Read more on Wikipedia