Title rated 4.25 out of 5 stars, based on 102 ratings(102 ratings)
eBook, 2012
Current format, eBook, 2012, 1st U.S. ed, All copies in use.
eBook, 2012
Current format, eBook, 2012, 1st U.S. ed, All copies in use. Offered in 0 more formats
Thirteen-year-old Ruby, a genius code-cracker and daring detective, gets an anonymous call setting a challenge that leads her to the headquarters of Spectrum, a highly secret anti-crime agency that needs her help to crack a code, but soon Ruby uncovers dastardly plans of the Fool's Gold Gang.
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