book jacket

noun

a removable paper cover, usually illustrated, for protecting the binding of a book and usually giving information about the book and the author.

Origin

1925-30

Examples from the web for book jacket

Each of the supplicants needed something from him:a charitable donation, a book jacket, a signature on an unsigned work.
He also designed his first book jacket, for the selected works of his father.
Yes, she is both the author and illustrator of the book and it says so on the book jacket.