The second edition of Volume 1 will soon be available
https://a.co/d/eTb8qmR
It contains new material and a chapter on the use of AI in Mathematica.
Volume 3 Differential Geometry, Differential Equations, and Special Functions, de Gruyter, 2022
https://doi.org/10.1515/9783110774641
https://www.amazon.com/Differential-Geometry-Equations-Functions-Textbook/dp/3110774542
The link to both volumes (the second one is to appear in early 2021) is https://www.degruyter.com/view/mvw/FAM-B
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