Please explain the library

When I go to select something from the Japanese or Chinese library, I often search by level (for example, intermediate 1), and get about 2 pages of lessons to choose from. I select a lesson. But the next time I go to the library, the selection is different. Are there more intermediate 1 lessons available than those 2 pages? If so, how do I see them?

Currently the Library shows lessons in a different order each time you open it, primarily to make sure that the displayed content isn’t stale. The same lessons should appear, just in a slightly different order.

It’s probably early days, but any chance the My Lessons page could not default to having “Taken”, “Shared” and “Private” ticked, and instead to whatever we leave it as (e.g. “Archived”, in my case)?