"The Mark of the Spider" is an exciting novel written by Bertram Mitford. In this book, readers will find themselves in the environment of colonial Africa, where incredible adventures and mysterious events take place. The main character, an English engineer, finds himself in an environment where the influence of a mysterious brotherhood, which controls important events in the region, is felt. Will he be able to unravel the mysterious sign of the spider to survive in this dangerous world? Mixing elements of adventure and detective genres, the book captivates with its tense plot and unexpected turns of events. "The Mark of the Spider" is an exciting journey into the world of secrets, intrigue and adventure in the heart of Africa.