Jeff and his mixed-up robot, Norby, get involved in new adventures on a strange planet.

This fourth volume of the complete children’s sci-fi series includes a mission to foil evildoing aliens and a quick trip to eighteenth-century France. Norby and the Invaders Jeff Wells and his robot, Norby, must rescue the Grand Dragon of Jamya from strange, blimplike aliens known as the Hleno. Determined to protect the environment from the overuse of technology, the Hleno take Norby and Jeff prisoner, too. Encased in an impenetrable plastic bubble, Norby is helpless. And without Norby, Jeff is lost in outer space. Norby and the Queen’s Necklace Sent to 1785, France, Jeff and Norby get mixed up with an extravagant necklace intended for Marie Antoinette—and accidentally alter events that led to the French Revolution. Now they must shuttle back and forth through time and space to set world history straight.

Jeff and his mixed-up robot, Norby, get involved in new adventures on a strange planet.

This eighth volume of the complete children’s sci-fi series features a history-obsessed admiral and trouble at a dragon’s birthday party. Norby and Yobo’s Great Adventure The illustrious Adm. Boris Yobo wants to travel through time to discover the origins of a treasured family heirloom. And since Norby is the only way to time travel, he and Jeff become Admiral Yobo’s companions on a supposedly innocent weekend trip that turns into a dangerous adventure. Norby and the Oldest Dragon Jeff Wells is feeling decidedly out of sorts, and not even the prospect of the Grand Dragon’s birthday party on the planet Jamyn can cheer him up. In fact, that’s part of the problem. Jeff had wanted to stay at the Space Academy for the weekend. Instead, his sometimes-bossy personal robot, Norby, is making him pack for what he is sure will be an adventure-free trip. Boy, does he turn out to be wrong!

Jeff Wells purchases a used robot named Norby to help him improve his grades at the Space Academy, but learns that Norby was constructed by a genius using parts from an alien spacecraft and has unexpected powers

This tenth volume of the complete children’s sci-fi series features a time-travelling space odyssey and a spring break vacation gone terribly wrong. Norby and the Court Jester On spring break from the Space Academy, Jeff Wells and his robot, Norby, head to the planet Izz for a toy and game fair. They look forward to seeing Princess Rinda and her little robot, Pera. But when Norby receives a telepathic message from Pera—part of which is “help!”—Norby and Jeff are sure that trouble awaits. And whatever’s going on, it’s most likely thanks to the evil Ing, the new Court Jester on the planet Izz. Norby and the Terrified Taxi In an adventure that changes the course of Earth’s history, Jeff Wells and his robot, Norby, are catapulted through time and space to find a dangerous and bad-mannered prankster, Garc the Great. In their search for Garc, Jeff, Norby, and their colleagues are trapped by a powerful alien Connector Ring. Now all they have to do is escape, find Garc, save the human race, and return to Earth in the correct time frame!