John R. Weeks POPULATION, Thirteenth Edition, introduces students to population issues, concepts and theories by encompassing the entire field of demography -- including both principle and practice. From fertility and mortality rates to agricultural production and urbanization, Weeks consistently engages students through compelling writing, intriguing essays and comprehensive explication. And with the wealth of online resources available to students and instructors via the MindTap digital learning solution, POPULATION equips learners with the tools to truly master core demographic concepts.