Origins
Fourteen Billion Years Of Cosmic Evolution »

One Universe
Almost every day we are challenged by new information from the outermost reaches of space. This text explores the physical principles that govern the working... »

The Sky Is Not The Limit
Adventures Of An Urban Astrophysicist »

Just Visiting This Planet
Merlin Answers More Questions About Everything Under the Sun, Moon, and Stars »

Merlin's Tour of the Universe
A Skywatcher'S Guide To Everything From Mars And Quasars To Comets, Planets, Blue Moons And Werewolves »