Leviathans of Jupiter

"To prove that the massive symbionts, named Leviathans, that inhabit Jupiter's atmosphere possess intelligence, physicist Grant Archer readies a deep-pressure manned probe for immersion in the giant planet's deadly cloud cover. Equally anxious to thwart his attempt, millionaire Katherine Westfall seeks to outmaneuver Archer in her bid for the top spot in the International Astronautical Authority (IAA) by any means possible--including murder."
"Several years after his Jupiter ocean exploration team is rescued by a native creature in an act that proved the species' intelligence, physicist Grant Archer prepares for a new expedition that is threatened by both the hostile environment of the giant planet and sabotaging humans."@en
"Years after the events in Jupiter, physicist Grant Archer prepares a new expedition to prove once and for all that the huge, native creatures discovered on Jupiter are intelligent."@en
"Years after the events in Jupiter, physicist Grant Archer prepares a new expedition to prove once and for all that the huge, native creatures discovered on Jupiter are intelligent."