F. Neumann, S. Schroll, Introduction - Galois Covers, Grothendieck-Teichmüller Theory and Dessins d'Enfants - Interactions between Geometry, Topology, Number Theory and Algebra.- F. Neumann, S. Balchin, On the number of rational points of classifying stacks for Chevalley group schemes.- F. Catanese, Cyclic Symmetry on Complex Tori and Bagnera-De Franchis Manifolds.- E. Colombo, P. Frediani, Second fundamental form of the Prym map in the ramified case.- B. Fairbairn, Strongly Real Beauville Groups III.- F. F. Favale, C. Gleissner, R. Pignatelli, The pluricanonical systems of a product-quotient variety.- G. A. Jones, Joining dessins together.- M. Kim, Arithmetic Chern-Simons Theory I.- M. Lönne, Branch stabilisation for the components of Hurwitz moduli spaces of Galois covers.- G. Malic, S. Schroll, Dessins d'enfants and Brauer configuration algebras.- É. Raphael, L. Schneps, On the elliptic Kashiwara-Vergne Lie algebra.