Front Cover: Poly(butylene succinate) (PBS) microparticles can be produced through suspension polycondensations and find many applications in the fields of packaging, films and cosmetics. The figure shows the irregular morphology of particles produced in paraffin suspensions, after hot filtration, cooling, washing with acetone and drying. This is reported by Luciana Dutra, Márcio Nele Souza, José Carlos Pinto in article number https://doi.org/10.1002/mren.201800039.