Great introduction to effectively utilizing Python with Excel and to the xlwings package. Generally clear and well-written, however several of the example files failed to run properly, likely due to changes in the referenced packages since publication (e.g., referencing "seaborn" as a matplotlib style name, not supplying the "package_name" argument to the sqlalchemy Engine.Connection.Execute() method in the form of a dictionary, etc.). Looking forward, hopefully, to an update that incorporates Microsoft's recently released "Python in Excel" functionality.