Bull Dog Drummond, His Four Rounds With Carl Peterson, Described by Sapper is a collection of the first four novels in the Bull Dog Drummond series, written by Sapper. The series follows the adventures of Captain Hugh “Bulldog” Drummond, a former British Army officer who becomes a private detective. In this volume, readers are introduced to Drummond’s arch-nemesis, Carl Peterson, who provides a recurring antagonist throughout the series. The four novels included in this volume are: “Bull Dog Drummond”, “The Black Gang”, “The Third Round”, and “The Final Count”.

The book is a classic example of early 20th-century pulp fiction, with fast-paced action, daring heroics, and larger-than-life characters. Despite being written in the 1920s, the stories have a timeless quality that still resonates with readers today.