Five week course. There is a non-refundable fee of $20.00 due at registration. Please consult a physician before beginning any exercise program. Don't forget to bring your yoga mat. This program is for Adults only. Registration for Babylon patrons begins at the Circulation Desk Thursday, February 11. Out of district residents may begin to register Thursday, February 25. A valid library card is required for registration. One person per library card. No online registration.