What is the value of a set of books from Quaker Oats,How to throw curves;How to play infield;How to play outfield;How to knock home runs.tips by Babe Ruth?

Hi, dragonslayerga!

Who is the publisher of the books? Is it Quaker Oats?

Thanks!

I guess so these were found in an old sewing machine of my grandmother's and they were in the original envelope with Quaker Oats in the return address area. They are about 3 x 5 inches in size.