Download or read book Norby's Other Secret written by Isaac Asimov and published by Courier Corporation. This book was released on 2010-01-14 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: When unscrupulous scientists try to kidnap Norby in order to learn the secret of the robot's anti-gravitational capabilities, he and Jeff discover on the dragon-inhabited planet Jamya the key to an even more precious secret.