The fantasy-adventure novel by A. I. Voronoi “The Gang of Professor Perry Jimens” is an exciting book with intriguing elements of a detective story with a multi-faceted plot. The main character of the novel is Dick Richardson, a young, capable and slightly ambitious engineer, prone to risky adventures. Apparently, the genes of the distant ancestor of the Russian adventurer engineer Pyotr Garin had an effect. The book captivates from the first pages, forcing the reader to plunge into a world of conflicts and dangers, and does not let go until the very end. For the first time, the novel, in abbreviation, under the pseudonym Ani Black, was published in the magazine “Mysteries of Nature and the Universe”...