Paul A. Foerster books in order

3 books in the catalogue, about 39 hours of reading in all; the shortest takes 11 hours and the longest 14 hours.

3 standalone books in the catalogue.

Standalone books

Algebra and Trigonometry 1980 11.2 h Precalculus with Trigonometry 1987 14.4 h Algebra 10 1999 13.2 h