reflects his outer origins as a barrel, while his arms are retractable and have double-sided palms (and two thumbs). His head is round with four eyes, two on each side, and the top is a dome which he can retract into his barrel. His feet are also extendable/retractable. Norby has a tenor voice but can communicate through telepathy by touch. Norby is equipped with a miniature anti-gravity device allowing him to float. He also possesses the ability to travel through hyperspace, although his navigating abilities are sometimes unreliable. He also has the capability to travel through time via hyperspace. Norby's many features make him a target for scientists, the army, and the rogue Inventor's Guild who wish to disassemble and study him. Heroic feats In the first Norby book, Norby, the Mixed-Up Robot, Norby and his owner Jefferson Wells stop the villain Ing the Ingrate from taking over the Solar System. In the second book, Norby's Other Secret, Norby and Jeff travel to the planet Jamya to restore the mental health of Norby's creator, Mentor First. Along the way they learn about the Others, a race that bio-engineered the intelligent Jamyn dragons. The third book, Norby and the Lost Princess, introduces the planet Izz and its displaced human settlers. While Norby and company prepare for a singing contest, they go to Izz where they find out that Princess Rinda has taken the only Izzian hyperspace ship to Melodia. Norby, Jeff, Fargo, Yobo, and Albany go to the planet on a rescue mission only to be imprisoned by the native insect life. The fourth book, Norby and the Invaders, pits Norby and Jeff against a race of balloon-shaped aliens nicknamed the Invaders. The Invaders kidnap the Grand Dragon at the novel's outset and place her in an underwater zoo on their homeworld. An intelligent vine named the Dookoza attempts to thwart a rescue mission by Jeff and Norby, but they end up freeing the Grand Dragon and leaving the Dookoza on the planet Melodia. The fifth book, Norby and the Queen's Necklace sends Norby and Jeff to the French Revolution using the Queen's Necklace, a time travel device that also involved Marie Antoinette in a scandal. After escaping the Bastille, Norby and Jeff take a Frenchman named Marcel on a wild romp through time as they attempt try to find the origin of the device. Jeff meets a council of the