Complex sentence: Whether printed on the dust jacket of a hardcover book, or on the cover of a paperback, book cover art has had books written on the subject, and numerous artists have become noted for their book cover art, including Richard M. Powers and Chip Kidd.
Split into simpler sentences: Whether printed on the dust jacket of a hardcover book, or on the cover of a paperback, book cover art has had books written on the subject. Numerous artists have become noted for their book cover art, including Richard M. Powers and Chip Kidd.