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Danny Dunn, Scientific Detective
Danny Dunn Scientific Detective
Author: Jay WIlliams and Raymond Abrashkin
Professor Bullfinch invents a foolproof safe for Midston's biggest department store. The lock works by smell and will only open when it detects the scent of the manager's hand--or his assistant's. — Yet the day after the lock is installed, the manager vanishes and Professor Bullfinch cannot be found. The next day, the safe is robbed! has the mana...  more »
ISBN: 354697
Publication Date: 2/1977
Pages: 146

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Publisher: Pocket
Book Type: Paperback
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