I really would love �� to have that in ebook too. But the only ebook I ever came across is:
Game of thrones fan theories explain: https://www.amazon.com/Game-Thrones-Fan-Theories-Explained-ebook/dp/B00T1OZTS4/ref=mp_s_a_1_7?ie=UTF8&qid=1539161172&sr=1-7&pi=AC_SX236_SY340_FMwebp_QL65&keywords=game+of+thrones+theory&dpPl=1&dpID=51556y6uIML&ref=plSrch
It very interesting, but only discusses a few can theories. There's another book that I brought that has a outline of the winds of winters. It's not a complete outline. It just base on the chapters that are already out, but it also have one on Euron. Very interesting.