This book is for everyone with an interest in whether there is extraterrestrial life.
This book enables general readers to understand current endeavours to answer this question and the related one of \'what kind?\' Illustrations: Worked examples or Exercises; 21 Line drawings, black and white.
Recent discoveries of planets Beyond the solar system (more than 4000 of them) suggest that the question is not \'whether?\' but \'where?\'.
This book is for everyone with an interest in whether there is extraterrestrial life