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117 pages • first pub 1969 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
Are there enemy spies following Professor Bullfinch? Is he working on a secret government invention?Danny and his friends, Joe and Irene, decide they must warn the Professor of possible danger. They track him down to an old barn, where he's hidden...
Community Reviews
Content Warnings
117 pages • first pub 1969 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
Are there enemy spies following Professor Bullfinch? Is he working on a secret government invention?Danny and his friends, Joe and Irene, decide they must warn the Professor of possible danger. They track him down to an old barn, where he's hidden...
Community Reviews
Content Warnings