Zetetic Astronomy: Earth Not A Globe is a book written by Samuel Rowbotham. This book, in which he lays out his world system, went through three editions, starting with a 16 page pamphlet published in 1849 and a second edition of 221 pages published in 1865. Finally in 1881, Rowbotham published a third edition which had expanded to 430 pages. The entirety of Zetetic Astronomy: Earth Not A Globe is available online at sacred-texts.com