4505602
9780802768933
When Jeff and his robot Norby accompany Admiral Yobo to prehistoric times so the admiral can do family research, the trip turns into a dangerous adventure.Asimov, Janet is the author of 'Norby and Yobo's Great Adventure (Norby Series #8) - Janet Asimov - Hardcover' with ISBN 9780802768933 and ISBN 0802768938.
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