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Danny and his friend Joe
Pearson discover the entrance to a cave in the woods near their home. Professor Bulfinch has just invented a portable x-ray machine, and he, along with his geologist friend Dr. Tresselt see an opportunity to use the device in the cave. The two adults, along with Danny, Joe,
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and Irene, enter the cave on an expedition. They make an astonishing discovery, but they encounter a significant problem which prevents them from leaving the cave.
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This article about a children's science fiction novel of the 1960s is a
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329:"A Choice of New Books for the Younger Readers' Library"
317:(Paperback, 1983 reissue, illustrated by Brinton Turkel)
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557:. Further suggestions might be found on the article's
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290:(Paperback, 1961, illustrated by Brinton Turkel)
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301:(Hardback, 1971, illustrated by Anne Mieke)
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109:Learn how and when to remove this message
269:. The book was first published in 1961.
555:See guidelines for writing about novels
629:Children's science fiction novel stubs
483:Danny Dunn and the Smallifying Machine
309:(Paperback, 1979, #11 in their series)
403:Danny Dunn and the Anti-Gravity Paint
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47:adding citations to reliable sources
475:Danny Dunn and the Voice from Space
419:Danny Dunn and the Homework Machine
547:. You can help Knowledge (XXG) by
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634:1960s science fiction novel stubs
515:Danny Dunn and the Universal Glue
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58:"Danny Dunn and the Fossil Cave"
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34:needs additional citations for
16:1961 novel by Raymond Abrashkin
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435:Danny Dunn on the Ocean Floor
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261:/adventure books written by
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251:is the sixth novel in the
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614:1961 children's books
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43:improve this article
257:series of juvenile
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337:. January 14, 1962
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60: –
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339:. Retrieved
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41:Please help
36:verification
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153:Illustrator
604:Danny Dunn
598:Categories
385:novels by
382:Danny Dunn
322:References
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69:newspapers
559:talk page
189:Published
99:July 2015
282:Editions
161:Language
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164:English
83:scholar
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