In researching yawning and yoga, I came across another children's book on stretching. What a fun book Stretch is by Doreen Cronin and Scott Menchin! They too share their ideas (via word and illustration) what yawning is to yoga. See below!
Yawns ARE a stretch!
Aspiring Yoga Teacher
I've practiced yoga since I was a pre-teen and have always found it to keep me centered. I will be a teacher one day and this is my journey to discover teaching and practice.