Edited sentence: It adds more physical action than the usual Philo Vance's cerebral plotting allows, and perhaps was an attempt to keep up with popular styles.The action scenes at the end, while apparently simple and restrained compared to the orgies of violence in some pulp tales, seem remarkably dramatic.This article is currently a critical review.This book also has a very well constructed mystery plot.Wikipedia is not the place for such reviews.You can help Wikipedia by revising it to fit a neutral point of view