Pictorial Wraps
Pictorial wraps are color illustrated covers for paperback books. Preceding mass-market paperbacks, this format brought popular best-selling titles to a wider reading public. The practice of printing low cost books in eye catching colors goes back to the nineteenth century, and Victorian-era readers were long familiar with the practice. Many of these books were reprints, but much like paperbacks today, some works were printed in this form originally, including books by notable authors such as Mark Twain.
This illustration provides an example of a valuable book printed in this unique format: