Triplanetary

"Triplanetary" by E. E. Smith is a classic science fiction novel that explores an ongoing battle between the malevolent Eddorians and the benevolent Arisians, set against the backdrop of human civilization's development on Earth. The story is divided into two parts: one delving into the series’ background and the other continuing the narrative after Earth’s civilization has been rebuilt with the help of the Arisians. This space opera marks the intriguing beginning of an epic sci-fi saga.