If cost is an issue, consider these open/free thermodynamics resources:
: Co-authored with Donald E. Richards and published in 1998. This is widely considered the "standard" modern version, known for its emphasis on thermoeconomics and real-world design problems. Advanced Thermodynamics for Engineers thermodynamics kenneth wark pdf 2021
If you're unable to find a PDF version, you may consider purchasing a physical copy of the book or exploring other textbooks on thermodynamics that are available in digital format. If cost is an issue, consider these open/free
While Kenneth Wark's is a classic engineering staple, most digital versions and physical copies date back to its later editions in the late 1990s, with many archive uploads appearing in 2021 . Core Resources for Kenneth Wark's Thermodynamics If cost is an issue