The online platform I'm using is called TopHat. You can buy access to the class through the website: www.TopHat.com.
It is important you use the CORRECT access code.
ES211-S2 - 365587
ES212 - 781602
ES211-QUAD - 338250
221-6 - 162155
221-8 - 907518
221-9 - 714129
Link to sign up for the bookclub is here: https://www.tfaforms.com/458397?u6NW89K8=701610000007a3n