This books comes with perpetual updates, meaning that when the content is updated, you can download that update for free for the life of the publication. This is amazing value for a service that is continually changing. I highly recommend that everyone administrating Office 365 should have this publication and now if you sign up for the benefits of the CIAOPS Patron program you’ll be able to secure your copy for:
Bronze sign up = 50% discount
Silver sign up = 75% discount
Gold sign up = 85% discount
Gold Enterprise = 100% discount
Remember, this offer only applies for new signups to the CIAOPS Patron program in April 2019, so don’t delay because this offer will not be extended.