Melt and pour is actually more fun to use than I originally thought. I did it for about 2 years along with CP/HP soaping while I was getting a handle on it. My skin didn't like any of the bases I tried (too much coconut oil in them for the mostly natural ones) so I switched to CP/HP exclusively.
I tried many experiments to see if I could make my own MP soap. I also have that book you got the recipe from (have it for kindle). But, I didn't try any of the recipes in it (too many ingredients to acquire just to "try it").
Kudos to you for your success!