I'm sorry for your dilemma, but I appreciate you trying to be kind to your MIL. If you really want a book suggestion try Dr. Bernstein's Diabetes Solution. It's a low carb approach to controlling blood sugar and it's a great read by a doctor that has struggled with a lifetime of diabetes. Even if she doesn't read it, seeing a book by a doctor with that title should relieve her fears that you are not taking your husbands health seriously. I second the notion of simply putting everything into "sugar" issues. No processed foods, only LOW GLYCEMIC FOODS for complex carbs to prevent rapid blood sugar rise. I also suggest you pack food. Cans of pull top tuna, beef jerky, those little cow cheese in individual wax wrapping. Anything that doesn't need refrigeration. Try eating something before you reach the dinner table so you won't be starving. Good luck and tell us how it goes!