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Cover of The Secret of Terror Castle

Book 1 of The Three Investigators · 1964

The Secret of Terror Castle

by Robert Arthur Jr.. 165 pages, about 3 hours to read. Rated 4.0 out of 5 by 2 Open Library readers.

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How long to read The Secret of Terror Castle

At 250 words a minute, the average adult pace, The Secret of Terror Castle takes about 3 hours. That assumes 275 words a page over 165 pages.

Your paceTime
150 words/min (slow, or reading aloud)5 hours
200 words/min3.8 hours
250 words/min (average)3 hours
300 words/min2.5 hours
400 words/min (fast)1.9 hours

In the series

All 18 The Three Investigators books in order

Mystery and detective stories · Children's fiction · Juvenile fiction · Castles · Ghost stories · Detective and mystery stories