9Give yoga a try with Mula and the Fly! Mula is a very sleepy tiger. But with the help of a mischievous little Fly, Mula learns to wake up, get moving, and make her dreams come true! Book 1 in the Mula and the Fly series: Mula and the Fly is a beautifully-illustrated picture book series that promotes mindfulness and provides young readers with a soft introduction to yoga. The fun characters and easy yoga poses promote a happy, healthy lifestyle and encourage young readers to relax and unwind.