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Capital Code/Science In The Capital Books in Order
Below you'll find the complete list of Capital Code/Science In The Capital books in publication order. This is generally the recommended reading order for the series.
Reading order verified: March 2026
Quick Answer
What order should I read the Capital Code/Science In The Capital series? Start with "Forty Signs of Rain" (2004) and follow publication order through all 4 books.
The complete Capital Code/Science In The Capital reading order is listed below in publication sequence.
Publication Order
Forty Signs of Rain
2004
Fifty Degrees Below
2005
Sixty Days and Counting
2007
Green Earth
2015
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