There has been data ("RHCE - RH302 Red Hat Certified Engineer Certification Exam Preparation Course in a Book for Passing the RHCE - RH302 Red Hat Certified Engineer Exam - ... Try Certification Study Guide Second Edition") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Aug 2 19:32:35 2019, so the data displayed here has been removed .