Empress of the Sun - Ian McDonald

When Everett Singh’s dad was randomly sent to one of the many parallel worlds in the multiverse, Everett discovered a way to find him on the quarantined planet E1, home of the terrifying Nahn. Now he, along with the crew of the airship Everness, has followed a trail to the next world and his father. But this is a world where dinosaurs have had sixty-five million years to evolve, where death is the key to the throne and where the Empress of the Sun has a plan to wipe out every other creature on her planet... and then take her conquest to Earth. All she needs is Everett’s infundibulum...