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Average rating3.7
When Marco and the other Animorphs investigate Visser One's secret underwater project, Marco finds out that his mother is his worst enemy--the leader of the Yeerk invasion of Earth. Original.
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36 primary books38 released booksAnimorphs is a 38-book series with 36 primary works first released in 1996 with contributions by Katherine Applegate, Michael Grant, and 3 others.