Collection of essays:

Time and Tide The Rocks of Damocles Harmony in Heaven The Trojan Hearse By Jove! Superficially Speaking Round and Round and ... Beyond Pluto Just Mooning Around Steppingstones to the Stars The Planet of the Double Sun Twinkle, Twinkle, Little Star Heaven on Earth The Flickering Yardstick The Sight of Home The Black of Night A Galaxy at a Time