I agree with the thrust of this response that best-selling guide is the better term. @J.R. If some thing is really a Ny Times Best Vendor, The full 5 phrase string is the adjective in use to modify guide, although why e book is specified is further than me; Possibly https://celticexpatiptvservices81357.ltfblog.com/35193005/catch-up-tv-shows-ireland-iptv-for-dummies