Out of Lovelle's Garden and Planet Heart, (tm) come the Heart Mandala Brain Teasers.(tm) These are the first brain challenges to offer patterns along an x-y-z axis. Even better--all the mathematical challenges are made of hearts Other pattern books have only linear, or flat, mathematical challenges. These heart designs pop out in several dimensions They show us that math is all around us and that it is beautiful. The designs are logical and aesthetic, so they benefit both hemispheres of the brain. The challenges are to identify the error in a pattern, add hearts to the pattern, connect...