The Glycemic Index website (
The Glycemic Index)
has a book called
The New Glucose Revolution:
Low GI Guide to Diabetes
(Aust and NZ)
or THE DIABETES & PRE-DIABETES HANDBOOK.
(US and Can)
There are sample pages on the website and I assume some reviews on Amazon.
( I haven't read it myself)
They also produce up to date GI tables.