Kitchen Table Math

[kimmyandgracie]

Has anyone used Kitchen Table Math that is sold on the Art of Problem Solving web site? I have looked over this and it looks very interesting. If anyone has used this what have you liked/disliked about it? Here is the website for those of you who haven't seen it:

http://www.artofproblemsolving.com/Books/AoPS_B_Item.php?page_id=91