Give yoga a try with Mula and the Fly Mula is a very sleepy tiger. But with the help of a cheeky little Fly, Mula learns to wake up, get moving, and make her dreams come true About the Mula and the Fly series: This beautifully illustrated picture book series provides a soft introduction to yoga and promotes mental wellbeing during early development. The fun characters and engaging stories promote a happy, healthy lifestyle and encourage children to relax and unwind.