Another topical limited-time promo freebie from Agate Surrey this week (currently just for Amazon US accounts, may or may not show up elsewhere later):
Diabetes Snacks, Treats, and Easy Eats: 130 Recipes You'll Make Again and Again, which is geared especially towards busy newbie cooks with the munchies and is written in consultation with a medical doctor, with a special intro specifically on cooking for the needs of persons with diabetes.