You want to master the theory of linear algebra. Borrow it if: You need to pass a first-year engineering course. Avoid it if: You hate proofs.
However, it is a terrible first exposure to the subject. Think of it as the graduate seminar after the introductory lecture. If you are ready for it, this book will reward you with a depth of understanding that applied texts cannot touch. If you are not ready, it will crush your spirit. linear algebra 5th edition by friedberg insel and spence
9/10 (Deducting 1 point for lack of computational/applied context and dense presentation for beginners). You want to master the theory of linear algebra