4xfour is good but u just get 7 4 ace tricks. but the book that good to have at hand is four ace intro's that has 18 ones in it i love the sequacious aces by ken de courcy and meir yedid's tip top aces. as we no each day new ones come out each week so who do u like to who do the best of this kind of magic neme some name who can do the best 4 ace tricks that u have seen befor u did then!?