The Cover picture shows the fractionation of lignocellulose into its individual components (including cellulose, hemicellulose, and lignin) and the conversion of these biopolymers into their derivatives in deep eutectic solvents. More details can be found in the Review by Tang et al. on page 2696 in Issue 13, 2017 (DOI: 10.1002/cssc.201700457).