If you're looking for exercises or code examples from the book:
Older editions (2nd edition) are extremely cheap ($15–$20) and cover 80% of the same core concepts. While the 3rd edition has SSA improvements, the 2nd edition is still an excellent learning tool. engineering a compiler 3rd edition pdf github
The 3rd Edition had an international softcover run. These are often $30–$40 on eBay or AbeBooks. That is less than a month of Spotify. If you're looking for exercises or code examples
If you ignore the legal warnings and still search for a pirated PDF on GitHub, keep your digital safety in mind: These are often $30–$40 on eBay or AbeBooks
Books are doorways; projects are the rooms you live in. If you can’t immediately access the official PDF, use GitHub to gather legally available notes, lecture slides, and working compiler implementations—then implement relentlessly. That combination will teach you more about engineering compilers than passively reading a file ever will.
If you want, I can: