Free with the book
Sixty-odd pages, cover to cover, typeset for printing or for a tablet. Give it to somebody who does not want a link.
Open the PDFSix sessions, built backwards from most studies. Each week hands the group an act, and the next week opens by asking who did it. Free to copy, free to run without asking anybody.
Open the studyThe last chapter asks two things, and the second one is harder than the first. Send it to somebody who would never go looking for it. Then tomorrow morning, before anything has come back, do it again.