Those folks are well-steeped in the food, nutrition, insulin- covering practices and a good one will help you plan
a healthy college lifestyle.
I hope someone else posts with a good cookbook
recommendation, because I don't have any specifically for diabetics. I use regular ones and, as you will over time, I've learned to use them for ideas & to adjust ingredients as needed to be more DM-friendly.
Are you doing plenty of finger-sticks on a regular basis.