And find this and more guides at Bright Linen's blogspot!
I just discovered Hoffman Fabrics has batiks in precut sizes called Snaps (5x5-inch), Crackers (10x10-inch), and Pops (2 1/2" wide strips)~ among others! (According to Wikipedia - *Batik is a technique of manual wax-resist dyeing applied to whole cloth, or cloth made using this technique.)
*Batik = whenever I buy Batik yardage, I will pre-wash. I'll write more about fabric pre-washing or not tomorrow!