Baldwin Project vocabulary lists

I have a question for those of you who read books on The Baldwin Project (mainlesson.com). On the page where you set up your display preferences, there is a check box for “Display vocabulary lists.” I have checked that box & saved the preferences for two books, but I don’t see where the vocabulary lists are displayed. Other preferences I have set show up, but I don’t see vocabulary.

Can anyone advise on this? Thanks.