If you are comparing the 10th vs. the 11th edition, you need to know what justifies the investment. Here are the critical upgrades:
One might ask, "If I have the 10th edition, do I need the 11th?" While the fundamental laws of physics have not changed, the way students interact with the material has. The 11th edition introduces several key features designed to enhance the learning experience: Halliday Resnick And Walker Fundamentals Of Physics 11th