Original copies of this textbook can be difficult to source outside of India, and international shipping is expensive. The "better PDF" provides instant access to learners in Africa, the Middle East, and Latin America who need a reliable, standard text without waiting weeks for delivery.
Since you are looking for a "better" PDF, you might wonder if the old edition is obsolete. Here is the breakdown: Original copies of this textbook can be difficult
For anyone serious about a career in thermal engineering, is an essential investment. While digital copies are convenient for quick reference, owning a physical or official digital version of the latest edition ensures you have the most accurate, environmentally up-to-date, and technically sound information available. the Middle East