Tylmann, Wojciech. “Book Review: The Anthropocene As a Geological Time Unit: a Guide to the Scientific Evidence and Current Debate, by J. Zalasiewicz, C.N. Waters, M. Williams & C.P. Summerhayes, 2019. Cambridge University Press, Cambridge, UK. 361 Pages. Hardback: Price £44.99, ISBN 9781108475235”. Geologos, vol. 27, no. 2, Aug. 2021, pp. 139-40, doi:10.2478/logos-2021-0016.