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Cover of The Secret of Skeleton Island

Book 6 of The Three Investigators · 1966

The Secret of Skeleton Island

by Robert Arthur Jr.. 158 pages, about 2.9 hours to read. Rated 4.0 out of 5 by 1 Open Library readers.

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How long to read The Secret of Skeleton Island

At 250 words a minute, the average adult pace, The Secret of Skeleton Island takes about 2.9 hours. That assumes 275 words a page over 158 pages.

Your paceTime
150 words/min (slow, or reading aloud)4.8 hours
200 words/min3.6 hours
250 words/min (average)2.9 hours
300 words/min2.4 hours
400 words/min (fast)1.8 hours

In the series

All 18 The Three Investigators books in order

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