So far as I know, the oldest in the English language at least, is Banting's Letter on Corpulence. Having lost weight and dramatically improved his health on a low carbohydrate diet. Banting wrote and self-published the book back in the Mid-Victorian era, and he distributed it for free.
Read More »The Joy of Gluten-Free, Sugar-Free Baking
The Joy of Gluten-Free, Sugar-Free Baking: 80 Low-Carb Recipes that Offer Solutions for Celiac Disease, Diabetes, and Weight Loss. A recipe book that uses nut flours & stevia/splenda sweeteners from legendary bread maker and James Beard Award-winning author Peter Reinhart.
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