The Three Suns of Vinea (Volume 11) (Yoko Tsuno, 11)

One night, on an isolatedmoor, Yoko, Vic and Pol are eagerly waiting for their friend Khany. When shearrives, she whisks them away on a shuttle and takes them not to one of theVineans' underground facilities, but to a station near Saturn. And that's onlythe first leg of their journey! They're soon invited to travel much, muchfurther: the Vineans have decided to return to their planet, to see if itsurvived the cataclysm that drove them into exile.