I'm not sure exactly why most of this issue happens, but it sure is cool.
In the wake of Grayson, Batwoman is the new Bat-related international adventures book.
Friday, February 19, 2016
Batman and Robin Eternal #21 Preview
I was going to say it'll be weird not to have a weekly Eternal book, but with Batman and Detective double shipping, it's pretty much the same thing $$$wise for DC, potentially more.