117 pages • first pub 1969 (editions)
ISBN/UID: 9780671299835
Format: Paperback
Language: English
Publisher: Pocket Books
Publication date: Not specified
Description
Danny knows the Professor is working on a new secret invention and is in danger, and when he and Professor accidentally switch on the new machine, problems get larger.
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117 pages • first pub 1969 (editions)
ISBN/UID: 9780671299835
Format: Paperback
Language: English
Publisher: Pocket Books
Publication date: Not specified
Description
Danny knows the Professor is working on a new secret invention and is in danger, and when he and Professor accidentally switch on the new machine, problems get larger.
Community Reviews Summary of 1 rating
Average rating
Content Warnings
This book doesn't have any content warnings yet!
If you're the author of this book and want to add author-approved content warnings, please email us at [email protected] to request the content warning form.