If you are a student or faculty member:
Because the 2nd edition is older, used copies are abundant. mechanical behavior of materials thomas h courtney pdf zip
For those wondering if the book is actually worth the effort, here is what you get in the legitimate version: If you are a student or faculty member:
Did you know? Courtney includes problem sets at the end of each chapter. The illegal "PDF ZIP" versions often cut off the last few pages of each chapter, rendering the problems useless. Did you know
If you truly cannot afford it, many professors have "Course Reserves" where you can read the physical book for free in the library for 2 hours.