Sidéral #27

In "La planète et le pendule !", Adam is whisked from Earth to the distant planet Anthorann by a zeta-beam, where he must evade savage tribes and their ominous "Rainbow Doom" teleporter. There, he joins forces with Alanna and Sardath, survivors of a crash-landed mission from Samakand, as they battle Morleen invaders wielding a deadly diamondium pendulum that threatens the dome of New Ranagar.

In "Le secret du géant de l'espace !", a mysterious alien force descends upon Earth in colossal humanoid starships, threatening to overwhelm humanity. When the invaders' advance stalls, a desperate plan emerges—one that hinges on a clever deception to turn their own fears against them.