Here’s a review you can use or adapt for Edwards, Henry C., and David E. Penney. Multivariable Calculus, 6th ed. (PDF version, verified):
You can buy a used physical copy of the 6th edition for as little as $15–$30 on AbeBooks, ThriftBooks, or eBay. Sometimes, these used copies include an unused access code for Pearson’s , which grants you a digital version of the text. Look for listings that explicitly mention "MyMathLab included."
Institutions like MIT use this specific edition for courses like 18.02 Multivariable Calculus . Students often access it via university library reserves or course materials.
This specific edition (ISBN: 9780130339676) has been famously used in prestigious curriculum, such as MIT’s 18.02 Multivariable Calculus
Multivariable calculus with analytic geometry - Internet Archive