Norby and Yobo's Great Adventure (Norby Series)
ISBN-10:
0802768946
ISBN-13:
9780802768940
Author(s): Asimov, Janet; Asimov,Isaac
Edition: First Edition
Description:
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.
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