I've built a few dozen, out of several different kinds of woods, all shapes and sizes. I never have done a board bow, I have always split from a log. They are all I hunt with now having come from modern traditional. There is just that added satisfaction of being successful hunting with something you built yourself and its a great woodworking hobby that requires no power tools and few hand tools. Eventually you add the element of 'hunting' for wood as you take walks and hikes, seeing a bow in every tree, and then there's the whole world of making arrows to go with it. Bows likewise utilize horn, antler, sinew, leather, rawhide, snakeskins, etc. along with the paint and stain and finish. So the combinations are endless and every bow looks and performs uniquely. They are fun to shoot and can last a long time. If you build one that doesn't shoot well or you don't like it or you break or wear it out, throw it in the fire and build another.
The bowyer's bibles and youtube are great, particularly vol.1 of the 4 part bible set. Ideally you'd want some help from someone experienced for your first bow or two, but not necessary. Good luck.