Thanks for sharing this! My wife and I have been interested in refreshing our Latin from high school, and we've been looking for good resources.
We've also toyed with the idea of learning it as a living language, which seems to be an increasingly-popular method among autodidacts these days.
I haven't read it in years, and my Latin's pretty rusty now, but it was the most useful and fun thing I used.[1] If you get the book, you might also like Mr. Ørberg's recordings (widely pirated) of himself reading the text with a Classical pronunciation. There are also some good Latin YouTubers; my favorite is Satura Lanx, <https://youtube.com/@SaturaLanx>, but Luke Ranieri, <https://youtube.com/@polyMATHY_Luke>, is also good and very knowledgeable.
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1. Disci latíne quando cathólica eram quia melius Missam ac Offícium légere volébam. Nunc non christiána, neque Missa assísto nec Breviárium canto, sed multas antiphónas pulchras (et verba pauca!) iam mémini.