Mank
I'm no expert in this area- but have done some research on this subject myself for my father recently- & if you just type in 'Diabetic recipes' & do a search in Google (or your choice) - you'll get many web sites offering diabetic recipes - that you can then print for your Mom.
Once on the web-site, the recipes are usually broken down into categories (ie:main entree, salads, desserts-etc). May want to let her look thru them to see what appeals to her culinary talents the most!
For diabetic cookbooks- I'd suggest checking thru Amazon on the web.
Maybe someone with more experience in their favorite diabetic cookbooks will come along soon - just didn't want you to have to wait too long!
Best of luck!
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10/02:Per MRI: Hern.Disc L5/S1 * Bulg.Disc L4/L5
03/03:Micro-Discectomy w/Hemilaminectomy L5-S1 (left sd)
08/03:PT @ 5 mos post-op for 6 wks: Results: Back & abdominal strength MUCH better - stretching exercises help only temporarily. Heavy feeling of pressure, restriction thru-out incision area post op. ~scar tissue adhering?

11/03:Working with "Rolfing" expert to release scar tissue - Jury's still out on this procedure