Carl Jacobi & Clifford Donald Simak 
Street That Wasn’t There [PDF ebook] 

Take a trip into another dimension in this mind-bending short story collaboration from Clifford D. Simak and Carl Jacobi. Barely perceptible differences in one lonely man’s environment gradually begin to add up to big problems for the planet. If you’re looking for a quick but thoroughly captivating science fiction read, try "The Street That Wasn’t There."