What Color Is Your Parachute copies sold?

The career advice book What Color Is Your Parachute? by Richard Nelson Bolles has been enormously popular since it was first published in 1970. With over 10 million copies sold, it is one of the best-selling books of all time. But how many copies of What Color Is Your Parachute? have been sold over the years? Let’s take a closer look at the sales figures for this classic self-help book.