Overall I'm content with this book, but it has a good number of issues. If you're using it for self study, it can be frustrating because the answers in the back are fairly sparse, and even the ones that do exist have a lot of errors. Answers will be completely wrong, or sometimes swapped (b answers a and vice versa).
I think this is unacceptable for a book that was originally published in 1971 and Amazon has this version listed as 1998. They've had plenty of time to fix their errors for a republishing.
I used this book to refresh my math knowledge after a decade away from math, and while it did an acceptable job, I did still have to reference other sources a number of times as this book will throw things at you that it hasn't explained. As an example, simplifying roots is never covered, but they do so in their solutions, so you'll have to learn how to do it elsewhere. This one in particular was disappointing to me, because the way exponents and roots are covered in the book was excellent, and it did set me up to understand why it works on a deeper level than any videos/articles I read on it, but it would have been way better to not have to do that.
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