This is not true. Topaz is a scanned, PDF like format that Amazon uses for older books where for whatever reason they can't get a digital copy. While it's true

This is not true. Topaz is a scanned, PDF like format that Amazon uses for older books where for whatever reason they can't get a digital copy. While it's true that Topaz books can't have the DRM easily removed, only around 5% of Amazon's books are in this format.