P450 Enzymes, Volume 692 in the Methods in Enzymology series, highlights new advances in the field with this new volume presenting interesting chapters written by an international board of authors. Chapters in this new release cover Non-natural P450 reaction (carbene/nitrene), Non-natural P450 reaction (atom transfer radical cyclization), P450 fusion for biocatalysis, P450 fingerprinting for biocatalytic oxidation, Fungal peroxygenase, Fungal peroxygenase, Anti-Markovnikov P450 oxygenase (AmOX), Fungal P450, Unusual P450 chemistry from fungal sources, CASTing for P450 biocatalysis, and P450 in C–C coupling of cyclic dipeptides with nucleobases.