These suggestions in addition to Dr. B...

Dr Keith Runyon wrote a book for Type 1 with Ellen Davis. I haven't read it myself but have Ellen's cancer book, she's a good clear science writer.

https://www.ketogenic-diet-resource.com

And for practical help and wonderful support...TypeOneGrit Facebook page. Here is a link to the NYT article on the study about their results and to the page.

https://www.nytimes.com/2018/05/07/...1-diabetes.html