There has been data ("GRE Premier 2018 with 6 Practice Tests: Online + Book + Videos + Mobile (Kaplan Test Prep) - ISBN-13 978-1-5062-1993-6") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sun Aug 11 11:07:25 2019, so the data displayed here has been removed .