A cool concept, copied and sweetened a little in the current Once Upon a Time television show. I liked the way same-name characters (Jack, Prince Charming) were dealt with. My only complaint about the story is that I didn't care about what happened to Rose Red.
I was pleased to see that the different characters had their own personalities, and unlike [b:The Unknown|6742166|The Unknown|Mark Waid|http://ecx.images-amazon.com/images/I/51APPUNRAcL._SL75_.jpg|6938495], I see the potential for them to grow on me.