"Rover and Speck are back and ready for another scientific adventure on a new planet -- a gas giant! Can a giant gassy planet sustain life? Can Rover and Speck survive their trip to a new, dangerous world? And what's so funny about "gas," anyway? These questions and more are answered in this exciting third book in the Rover and Speck series. Organized, careful Rover and impulsive, excitable Speck make a great team as they enter the gas giant's atmosphere and encounter a new cast of characters including some fearful jelly creatures and menacing Spark Sharks. But when disaster strikes -- literally, in the form of lightning -- and Rover is zapped out of commission, can Speck step up and save the day all on his own? With the help of his new friend Jelly, and some quick-thinking scientific know-how, he just might be able to avoid the Spark Sharks, help the jellys and get Rover back to their ship for a reboot. This hugely appealing graphic novel features colorful and eye-catching art, two endearing characters with a classic odd-couple friendship, and a fast-moving plot that will enthrall space-loving readers all across the universe."-- Provided by publisher.