It's not a complete book, but the topics it covers are well explained.

Maybe the fact it is concise is a feature—you can quickly get an overview of each topic, without all the details a textbook author would have to cover...

Here is a related concept map of all linear algebra topics, for anyone who is planning to self-study this subject: https://minireference.com/static/conceptmaps/linear_algebra_...

Looks like this uses Flash (SWF) for interactive diagrams. Luckily ruffle.rs [1] works.

[1] https://ruffle.rs/

Another free one (and my favorite) is Sheldon Axler's, who recently open-licensed it,

https://linear.axler.net/ ("Linear Algebra Done Right")

There's also a large number of HN threads on the topic of "linear algebra books",

https://hn.algolia.com/?q=linear%20algbera

There is no royal road to mathematics. All this fuss over finding the best book is an excuse to avoid doing the work of study and practice.