Night Sky Observer's Guide Volume 2: Spring and Summer

Night Sky Observer's Guide Volume 3: The Southern Skies

Night Sky Observer's Guide Volume 4: The Glories of the Milky Way to –54°

Night Sky Observer's Guide Volume 3: The Southern Skies

Night Sky Observer's Guide Volume 2: Spring and Summer

Night Sky Observer's Guide Volume 3: The Southern Skies

Night Sky Observer's Guide Volume 2: Spring and Summer

Night Sky Observer's Guide Volume 4: The Glories of the Milky Way to –54°