Jeff Hirsch
Jeff Hirsch's most popular book is Sovereign with 33 saves and an average rating of 2.95.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
4 primary booksAuthored 25% of series
The 39 Clues: Unstoppable
The 39 Clues: Unstoppable is a 4-book series with 4 released primary works first released in 2013 with contributions by Jude Watson, Jeff Hirsch, and Natalie Standiford.
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