The code breakers

Edición de la obra The code breakers

"Matt and Charlie are thrilled to have discovered a Web site full of cool video games. But there's something strange about this site. The more games the boys play, the more secrets they uncover. Who's behind these games, and what have Matt and Charlie stumbled upon? This suspenseful book comes with six video games. Can you play the games, crack the codes, and solve this spellbinding mystery?"--Back cover.

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