Three years ago, our oldest daughter was a junior in high school and she was taking a class on child development. One of the topics covered in the class was a unit on nutrition. She had to write a report for the class and since our family loves the library, off we drove to the Jamestown Branch of the St. Louis County Library. As our daughter was perusing the stacks she found a unique book to use in her research towards her paper. It wasn’t a large book, just a simple paperback in an exact square shape, probably 7 in. by 7 in. The book was colorful, as it was filled with photos of foods and meals; a guide to foods and their nutritional values. The book depictedQ:

Book about family with wings, and the protagonist has to learn how to fly(?)

I remember the book because I really liked it while I was in elementary school (19 now). But the premise was that the girl's family all had wings on their backs that they kept tucked tightly so they could operate like normal humans. However, as the story evolves, something changes and the girl slowly learns to use her wings to fly (which none of her family has done before).
The little girl was in either middle or high school. Please help because I really want to find this book again.
I'm about 45% certain the title even had "wings" in it.

A:

Could this be Lauren Winter's Growing Wings?

Eleven-year-old Linnet is growing wings from her shoulder blades. She is