Modern Approaches in Drug Discovery, Volume 611, the latest release in the Methods in Enzymology series, highlights new advances in the field, with this new volume presenting interesting chapters on topics such as Target Identification and Validation, Cell Painting/High Content Imaging, Target ID using chemical probes, Mining the microbiome for targets, Data driven approaches for diversity and drug-likeness, Affinity-based screening, Fragment screening (X-ray), Array-based approaches, Hit-to-lead: assessment and improvement of drug-like properties, Hit assessment and prioritization, Lead Optimization: fine tuning and risk mitigation, and more.