I concur with the thrust of this solution that best-marketing book is the better phrase. @J.R. If some thing is a Ny Times Best Vendor, The complete five phrase string will be the adjective in use to switch e book, While why book is specified is beyond me; Maybe to https://high-definitioncelticiptv05936.mybuzzblog.com/16183489/facts-about-live-events-pay-per-view-iptv-revealed