I have it, and I've made a couple of things from it.
They were okay, but not mind-blowing.
Her ideas of boosting flavors, like putting a vanilla bean in a bottle of extract, to intensify the flavor is mind-blowing, but the recipes are not.
It's interesting to group the recipes by flavor, but when I want to bake, I usually look for type of baked good, than by flavor.
Interesting, and nice to have. But it's not a go-to.