title: David Levy's Guide to Variable Stars, Second Edition
author:  David H. Levy 
description: "One of the most successful comet discoverers in history, Levy has produced a very readable account of his fascination with comets...highly recommended to amateur astronomers and others wishing an introduction to the scientific process of discovery." <br />Choice<br /><br />"...as a simple guide for the novice observer, this volume has no rival." <br />Astronomy<br /><br />"...marvelous and enchanting book about amateur astronomers and variable stars." <br />Sky &amp; Telescope<br /><br />Levy's fascination with these stars and his clear text and illustrations make this an excellent book for the beginning observer. <br />Choice<br /><br />'A well-written guide, by one of this country's most enthusiatic amateur astronomers ...' Andrew Fraknoi, Mercury<br /><br />'If you think variable star observing is boring, this book will convince you otherwise. Most importantly, Observing Variable Stars will get you outside looking at the sky.' Deep Sky<br /><br />'This new book is delightful ... The work is well researched, thought out, and executed ... For those of you who have not yet been introduced to variable stars, enjoy this introduction. For those already acquainted with 'variables', give yourself a few cloudy nights with this delightful book!' The Strolling Astronomer<br /><br />'... there is always the promise that the observer will make a truly important astronomical discovery. ... this book provides all the necessary advice and instructions for the variable star novice ... also offering some interesting reading for those already acquainted with this topic. ... here is a real opportunity to leave your mark in the heavens.' Astronomy &amp; Space<br /><br />'This is by far the most accessible book for beginning variable star observers in print. Everything you need to know to get started in variable star observing is laid out in an easy to follow, logical progression. Levy describes things in a non technical manner that makes it understandable to everyone. More importantly, his enthusiasm for the subject is infectious and his personal stories and experience make the book that much more readable. ...If you are just getting started, or contemplating observing variable stars, buy this book first. By the end you will be hooked ... and well on you way to enjoying a hobby that will keep you busy and happy for years to come.' American Association of Variable Star Observers Bookstore
zlib_text: The Project Gutenberg EBook of The Black Star Passes, by John W Campbell This
  eBook is for the use of anyone anywhere at no cost and with almost no
  restrictions whatsoever. You may copy it, give it away or re-use it under the
  terms of the Project Gutenberg License included with this eBook or online at
  www.gutenberg.org Title: The Black Star Passes Author: John W Campbell
  Illustrator: Jerome Podwil Release Date: February 27, 2007 [EBook #20707]
  Language: English Character set encoding: ISO-8859-1 *** START OF THIS PROJECT
  GUTENBERG EBOOK THE BLACK STAR PASSES *** Produced by V. L. Simpson, Greg
  Weeks and the Online Distributed Proofreading Team at http://www.pgdp.net
  
  
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  # THE BLACK STAR PASSES
  
  
  JOHN W. CAMPBELL
  
  
  ACE BOOKS, INC. 1120 Avenue of the Americas New York, N.Y. 10036
  
  
  
  
  
  THE BLACK STAR PASSES
  
  
  Copyright, 1953, by John W. Campbell, Jr.
  
  
  Copyright, 1930, by Experimenter Publications, Inc.
  
  
  An Ace Book, by arrangement with the author.
  
  
  Cover art by