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Free. Nothing is charged, and no card is asked for.

Preview. This is a front-end shell. There is no account server wired up yet, so nothing is sent anywhere and no password is stored — signing in marks this browser only, so you can see how the library behaves.

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What an account gets you

  • One place for every book and course you buy
  • Told when the next batch has a start date
  • Nothing else — no newsletter you did not ask for

Buying a book or a course puts it in your library. Everything you own downloads from there — PDF and DOCX for the field guides, session material for the courses.