The book "On the trail of Mars" by the author Jack Sharkey is an exciting science fiction that tells about the incredible adventures of a group of scientists who go to Mars in search of new knowledge. During the expedition, the main characters face dangers and challenges, but also unexpected friendship and mutual help. The author has created an interesting story that fascinates with its incredible atmosphere and mesmerizes the reader from the first pages. "On the Trail of Mars" is a book that will touch every fan of science fiction and leave an unforgettable impression on everyone who loves traveling into the unknown.