It takes the average reader to read North American XB-70 Valkyrie by John M. Campbell
Assuming a reading speed of 250 words per minute. Learn more
The North American XB-70 is one of the most unusual looking aircraft in aviation history, and only two were constructed. It was originally designed as a Mach 3 high-altitude bomber, but was later used as a research aircraft. This new book by John Campbell and Garry Pape gives a short, detailed history of the XB-70, including production, flight tests, and the fatal crash of Aircraft #2 in 1965. Aircraft #1 is now at the U.S. Air Force Museum at Wright-Patterson AFB.
North American XB-70 Valkyrie by John M. Campbell is 0 pages long, and a total of 0 words.
This makes it 0% the length of the average book. It also has 0% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes to read North American XB-70 Valkyrie aloud.
North American XB-70 Valkyrie is suitable for students ages 2 and up.
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