Originally Posted by Sewing Grandma
You don't need to use Bubble Set if you purchase the prepared sheets. I have found the fabric sheets at Walmart and have used them for fabric picture books for my grandchildren. I can't remember the brand name but someone in the fabric department would know. They can also be purchased through Nancy's Notions, Clotilde or just google fabric sheets and you will get other sources.
I have also used these sheets with great success.