The Meaning of Relativity Third Edition, including The Generalized Theory of Gravitation [with Errata slip]

Sewn binding in full cloth-covered boards (no dustjacket). Errata slip tipped in at last page of text. Includes the appendix for the second edition "discussing certain advances in the theory of relativity since 1921." The appendix discussing the theory of gravitation is new to this third edition. Indexed. A rather nice copy with firm binding, intact hinges and square spine. Pencil marks corner front flyleaf, else no marks. Light toning to paper throughout. ***Small stain on fore-edge***. Light bumping to lower corners. Small stain to cloth near lower front corner. Creasing to spine-ends. A little wear to cloth at edges.