Rays
visible and invisible.
Our rough guess is there are 51,000 words in this book.
At a pace averaging 250 words per minute, this book will take 3 hours and 24 minutes to read. With a half hour per day, this will take 7 days to read.
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Author
Publication
1958 - Sterling Pub. Co., New York, No place, unknown, or undetermined
Language
English
Word Count
51,000 words, Guess
Page Count
204 pages
Identifiers
- OCLC Control Number1610209
- Open LibraryOL6246825M
Classifications
- DDC535
- LCCQC475 .R4
Subjects
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