num_pages: 272
description: Discusses current theories about the role of gravity in the universe, and summarizes Einstein's contributions to modern understanding of its nature
language: English
title: An Old Man's Toy: Gravity at Work and Play in Einstein's Universe
titlecomplete: An Old Man's Toy: Gravity at Work and Play in Einstein's Universe
genres: Science, Physics
ratings_count: 20
publisher: Collier Books