There has been data ("Best Of Roku Device 2018 Ultimate User Guide: A Simplified Guide On How To Crack All The Tricks & Tips Of Maximizing The Full Potentials Of All ... Roku Express HD & Roku Premiere 4K/HDR/HD.") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Wed Feb 5 03:16:21 2020, so the data displayed here has been removed .