Five week course. There is a non-refundable fee of $20.00 due at registration. As usual, please consult a physician before beginning any exercise program. This program is for Adults only. Registration for Babylon patrons begins at the Circulation Desk Thursday, March 17. Out of district residents may begin to register Thursday, March 31. Please remember to bring your yoga mat. A valid library card is required for registration. One person per library card. No online registration. No walk-ins.