We found 2 Reddit comments about Monster 25th Anniversary (Expanded Edition) [5 CD + Blu-ray]. Here are the top ones, ranked by their Reddit score.
CD Boxset https://www.amazon.com/Monster-CD-Blu-ray-R-M/dp/B07VTYDX88/ref=sr_1_1?crid=ZES3V5CVAD1Y&amp;keywords=r.e.m.+monster&amp;qid=1567527987&amp;s=music&amp;sprefix=r.%2Cmusic-intl-ship%2C224&amp;sr=1-1&amp;tag=v06a8-20
Do you not want to buy online? There are options:
REM HQ Store