Invited for the cover of this issue is work resulting from an international research cooperation of the Huppertz and Höppe groups (University of Innsbruck, Austria and University of Augsburg, Germany) with Lkhamsuren Bayarjargal associated to the Winkler Group (University of Frankfurt, Germany), Florian Pielnhofer (University of Regensburg, Germany), and Andreas Saxer (University of Innsbruck, Austria). The image depicts synthesis and crystal structure of the first hydrothermally synthesized tin fluoride borate Sn3[B3O7]F. Read the full text of the article at 10.1002/chem.201803478. "Given these theoretical and chemical insights, we successfully obtained the first tin fluoride borate Sn3[B3O7]F" Read more about the story behind the cover in the Cover Profile and about the research itself on page 16036 ff. (DOI: 10.1002/chem.201803478).