Download or read book The Worlds of If written by Stanley G. Weinbaum and published by The Floating Press. This book was released on 2012-06-01 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: In "The Worlds of If," author Stanley Weinbaum plays with a concept that has been at the center of countless science fiction tales before and after: how the most minute shifts can alter the past, present and future. In this case, nutty professor Haskel van Manderpootz invents a contraption that allows users to view alternate life paths that might have transpired if they had made different choices along the way.