Anime Angels has just been listed for U.S. and Canadian nationwide ordering in Previews magazine, the catalog used by the vast majority of comic stores to determine which comics and artbooks they want to stock. Here's a scan of what the listing looks like in the magazine:
So feel free to tell your local comic shop that they should order a copy of Anime Angels to sell in their store! The book is listed on page 374 of the June 2013 issue of Previews, at the start of the Books & Magazines section, and the order number is STK615515. Orders from comic shops are due in June, and the book will ship in August to the stores that preorder it.