Alexander Key has written a series of 19 books. Here, you can see them all in order! (plus the year each book was published)
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19 books in this series
The author is Alexander Key.
There are 19 books in the Alexander Key series.
The first book was written in 1930, and the last book was written in 1979 (we also added the publication year of each book right above the "View on Amazon" button).