Despite being told not to judge a book by its cover, the man on the street does exactly that when browsing in a book store. (I know I do.) A visually catching cover is likelier to entice him to pick up the book, read a few pages, and hopefully, buy the book. So it's no surprise that much thought and care goes into the design of a book cover.
Jane Sullivan of The Age looks at the tricky business of matching a book with its cover.