Scan barcode
117 pages • first pub 1969 (editions)
ISBN/UID: 9780671299835
Format: Paperback
Language: English
Publisher: Pocket Books
Publication date: Not specified
fiction
childrens
science fiction
young adult
adventurous
slow-paced
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
Content Warnings
117 pages • first pub 1969 (editions)
ISBN/UID: 9780671299835
Format: Paperback
Language: English
Publisher: Pocket Books
Publication date: Not specified
fiction
childrens
science fiction
young adult
adventurous
slow-paced
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
Content Warnings