In the fourth volume of the series, we bring to the attention of our readers three “cool” multi-genre science fiction novels, published for the first time in Russian. In the first of them, Wilbur Smith’s super-action adventure, events unfold with such dizzying speed that they simply do not allow the reader to relax. A group of adventurers and adventurers are making desperate attempts, full of mortal dangers, to recover treasures from the bottom of the ocean, resting there among the wreckage of ships sunk by pirates many centuries ago. And, as a rule, this does not remain a secret from the gang, which is also hunting for these treasures... The novel by E. Richter-Frikh (translation by Sologub) “Immortal Dwarfs” is included in the collection for genre diversity, as an example of action-packed adventure fiction of the 20s years. It tells about the expedition's multi-day wanderings in the wilds of the Southern Amazon. Having survived many mortal dangers, people eventually encounter the descendants of a vanished civilization - strange living creatures who have stopped on the threshold of the mystery of immortality... The novel is offered to the reader without any changes in the form in which it was released in 1926 by the Petrograd publishing house "Kubuch" .And our collection ends with the action-packed fantasy action movie “Die to Not Perish,” which takes us many centuries into the future. An interplanetary spacecraft, launched from it 3000 years ago for research purposes, returns to Earth. Of the entire large crew, only the girl and the boy remain alive. They are direct descendants of Earthlings who once went on a dangerous space journey. In the process of centuries-long flight, they not only did not degrade, but also developed phenomenal telepathic abilities. The earth greets uninvited guests with hostile silence. Instead of cities, mysterious black towers rise on it...