Strang's text is also great, and you can take the course via MIT OCW Scholar from the man himself. For those wanting a more mathematical perspective (versus en

Strang's text is also great, and you can take the course via MIT OCW Scholar from the man himself. For those wanting a more mathematical perspective (versus engineering/applied science), there's Axler's Linear Algebra Done Right. For the programmers in the audience, another fun and illuminating (and cheap!) text is Klein's Coding the Matrix.