Sabine Klein is a medical subject librarian at the University of Zurich, Switzerland. During the second wave of Covid-19 and after watching too many videos, she decided to start her own YouTube channel for librarians in 2021:”die bibliothekarinnen” (German for “the librarians”, plural of female form; https://www.youtube.com/channel/UCEPWtxjLaQSaq9AU3Mr5-TA).