The primary textbook for this course is
Interactive
Linear Algebra by Dan Margalit and Joseph Rabinoff.
There is also an optional reference textbook:
Linear Algebra and its Applications, 5th edition, by
Lay–Lay–McDonald, which you can view online if you purchase access to MyMathLab.
For those who wish to purchase MyMathLab access, you can use the course ID
jankowski23945
following the instructions here.
This will also grant MyMathLab access to Thomas' Calculus, Early Transcendentals (14th edition) which most students will use later, so you may find it convenient to purchase the code even though it is not
required for Math 1553.