The 6th edition is the result of extensive peer review and updates.
Project Management in Construction Anthony Walker 6th Edition Textbook 2015 VG
A nice touch with the 6th edition is the checklist for key concepts.
Elsevier Radiographic Imaging and Exposure 6th Edition by Terri L. Fauber
This textbook includes case studies that bring the subject matter to life.
West Academic Interactive Casebook Series Property 6th Ed 2023 Hardcover
What stands out about this textbook is the use of analogies to explain concepts.

