Jenny Brundin/ CPR News Adriana Ramírez (L), 16, and Laura García (R), 15, work on creating a code together in an AP Computer Science Principles class at Abraham Lincoln High School.

How much you can expect to spend on an AP computer science book. Basic computer science books will vary in price from about $7-$12, while mid-range books that go into more detail range from $12-$25.