Calculus Made Simple
Calculus Made Simple by H. Mulholland (1981) was raised once of The Seen and the Unseen.
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Calculus
Which episode raised this book?
Author, year and identifiers come from Open Library, matched by ISBN. The title is as the show notes wrote it. The notes say which books an episode touched, not who raised each one, so the people named above were in the room rather than confirmed as the recommender. How this is built.