Before Einstein, physicists believed in absolute time. Ohanian begins Volume 3 by shattering that notion.
Volume 3 specifically targets the revolutionary discoveries of the 20th century. It bridges the gap between classical physics (which describes everyday objects) and modern physics (which describes the very fast, the very small, and the very massive). ohanian physics volume 3 pdf
A student solution manual exists for Ohanian (ISBN 978-0393969757). It provides step-by-step answers to odd-numbered problems. While you might find a PDF of the solution manual online, using it to check your work is educational; copying it is not. Before Einstein, physicists believed in absolute time