Very basic spice combinations and cooking tricks to turn stuff from “just the food itself” into various ethnic dishes.
No measurements, only ratios.
One unique book I enjoyed on cooking was:
It’s not ‘unique unique” in that occasional blogs come up, but what I’m thinking of is an “all-in-one” cover the planet but simple enough for kids.
I’d stay away from baking as baking is more like chemistry and it’s all basically mapped out in its ‘gist’ form.