Books published by publisher Scholastic Press (February 25, 2014)

The stunning conclusion to the Clone Codes trilogy There is a wicked system of operation inside the Topas Corporation, where clones are produced. Only authorized Topas officials are allowed inside. Only they, along with the clones themselves, know what happens within the walls of the world's largest and most powerful cloning company. This final book of The Clone Codes plunges readers into this strange reality. At the same time, The World Federation of Nations has issued an urgent decree to the masses--find Houston Ye, a cyborg, and Leanna Deberry, a clone, both fugitives! There is a $1 million bounty on each of their heads if captured alive. Once again, the McKissacks blend a futuristic world with events from world history to create a gripping sci-fi adventure. - goodreads