“Never judge a book by its cover!” is a common saying.In spite of it, we can’t help picking up a book when it has an attractive cover, or when it reveals what we can expect inside the book. Book-covers are a short-cut to inform the readers that they can invest their limited and precious time into reading that book. Book-covers co

“Never judge a book by its cover!” is a common saying.In spite of it, we can’t help picking up a book when it has an attractive cover, or when it reveals what we can expect inside the book. Book-covers are a short-cut to inform the readers that they can invest their limited and precious time into reading that book. Book-covers co