You can access Magee’s content without pirating. Here are the best legitimate options.

Yes. Elsevier offers a sample chapter (usually Chapter 3: Cervical Spine) for free on their website.

The 5th edition (2013) and 6th edition (2016) are still highly usable for learning basic techniques.
Legally free if your library has a discarded copy or via Internet Archive’s controlled digital lending.
Cheap used on AbeBooks, ThriftBooks, or Amazon for $15–$30.
⚠️ Note: The 7th edition (2020) has updated special test sensitivity/specificity and new chapters on pain neuroscience and outcome measures.