About This Book

The Code Busters are excited for their class field trip to Angel Island, known as the Ellis Island of the West. One of Mika's ancestors passed through the island's immigration station in the early twentieth century, and Mika thinks he may have left behind some secret messages . . . plus a very special box. But as the Code Busters search for hints from the past, they get caught up in an even bigger secret.

Can you crack the code? Test your brain with the Code Busters to see if you have the right stuff to be an ace detective. Answers are in the back, in case you get stuck.

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Paperback

Mar 2018 Darby Creek Publishing ISBN 1541514947

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Hardcover

First Edition Aug 2016 Lerner Publishing Group ISBN 1512403075

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eBook

Aug 2016 Lerner Publishing Group ISBN 1512419052

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eBook

Sep 2016 Lerner Publishing Group ISBN B01IPSEB1W

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The Secret of the Puzzle Box

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