Dear MARMAM community, My coauthor and I are pleased to share our new publication, "Sowerby’s Beaked Whale *Mesoplodon bidens* Sowerby 1804," in the Handbook of the Mammals of Europe book series. This comprehensive chapter covers all aspects of Sowerby's beaked whale biology, including taxonomy, global and European distribution, genetics, morphology, life history, ecology, behavior, parasitology, human threats, natural impacts on populations, species conservation management, and future research challenges. Smith KJ and Peterson MJ. Sowerby’s beaked whale, *Mesoplodon bidens*, Sowerby 1804. (2022) In: Cetacea (eds. Weir CR, Evans PGH, and Rasmussen MH). Handbook of the Mammals of Europe series (eds. Hackländer K, Zachos FE). Springer International Publishing, Cham, Switzerland (ISSN: 2730-7387). https://doi.org/10.1007/978-3-319-65038-8_95-2 Please do not hesitate to contact us with any questions, Cheers, Kerri *--Kerri J. Smith, Ph.D.* NSF Postdoctoral Fellow McMahon Ocean Ecogeochemistry Lab <http://keltonmcmahon.com/index.html#welcome> University of Rhode Island Graduate School of Oceanography 215 South Ferry Road, Narragansett, RI 02882