John O'Byrne | Bookhype

John O'Byrne is the secretary of the Astronomical Society of Australia, and chair of the school of physics at the University of Sydney.

Aug 9, 2015

Cover of Pikes Peak or Bust

Pikes Peak or Bust

Jan 5, 2012

Cover of The Practical Skywatcher's Handbook

The Practical Skywatcher's Handbook

Sep 1, 2008

Cover of The Encyclopedia of Earth

The Encyclopedia of Earth

Mar 2006

Cover of Practical Skywatching

Practical Skywatching (The Nature Companions S.)

Nov 2000

Cover of Space

Space (Little Guides)

Oct 1995

Cover of In Other Words