https://www.christianbook.com/cam-jansen-mystery-the-monkey-house/david-adler/9780142400197/pd/400191
A few monkeys are missing from the zoo, and Cam is sure she knows how the thief took them from their cages. With the help of her amazing photographic memory...
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https://www.christianbook.com/cam-jansen-the-scary-snake-mystery/david-adler/9780142402887/pd/2402887
Mysteries seem to follow Cam Jansen around, which is a good thing since she is such an ace at solving them! When Cam, her mom, and her friend Eric take a trip...
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https://www.christianbook.com/jansen-the-green-school-mystery-ebook/david-adler/9781101136300/pd/47878EB
Cam Jansen: The Green School Mystery #28: The Green School Mystery #28 - eBook (9781101136300) by David A. Adler
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