"Invaders" by Murray Leinster is a science fiction novel about a daring and dangerous expedition of archaeologists to a distant planet. During their research, they unexpectedly encounter mysterious aliens who are trying to seize control of this dangerous mission. The heroes are forced to confront an incomprehensible enemy, solving puzzles and trying to save not only themselves, but also the entire galaxy from an external threat. "Invaders" is an exciting science fiction thriller that will absorb the reader from the first pages and not let go until the last.