Algol: The Ghoul or Demon Star is a supplement to the book Earth Stands Fast, written by John Watts De Peyster in 1900. This supplement focuses specifically on the star Algol, which has been known for centuries as a mysterious and ominous presence in the night sky. De Peyster delves into the history and mythology surrounding Algol, exploring its significance in various cultures and traditions. He also examines the scientific properties of the star, including its unusual variability in brightness, and speculates on the potential implications of these properties for our understanding of the universe. Overall, Algol: The Ghoul or Demon Star offers a fascinating and comprehensive exploration of one of the most enigmatic objects in the cosmos.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.