In a future where humans live on Earth, Mars and Venus, Buck Kendall patrols the outer edges of the solar system. Near Pluto, a giant ship attacks him, then flees faster than light. His superiors believe it is pirates. Kendall, who is also a physicist, understands that the enemy comes from another star, and that a whole fleet is advancing on the solar system.
This science fiction classic from the 1930s is a race against time to save humanity. To win, Kendall will have to invent a weapon no one has yet imagined.
Fast-paced from start to finish, it is easy to read in the language you are learning.
