Essentials of Geology, 6e with Media Access Registration Card + Laboratory Manual for Introductory Geology, 4e Book 2019 Essentials of Geology, 6e with Media Access Registration Card + Laboratory Manual for Introductory Geology, 4e SM Stephen Marshak AL Allan Ludman 1 readers PublisherNorton & Company, Incorporated, W. W.LanguageEnglishPublished2019