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She wants to escape the past. Is she doomed to repeat it? In the spectacular sequel to Subject Twenty-One, Elise and her friends have unearthed the truth that has been kept from them their whole lives and escaped the Museum of Evolution - but at what cost?

'An unputdownable exploration into the ethics of science' Buzz Magazine

After a perilous escape, Elise and her companions have made it to the safety of the secret fifth base, Uracil, but her family is still in danger. Desperate to secure them passage and a safe place to live, she makes a deal with the leaders of Uracil - she'll become their spy, jeopardising her own freedom in the process.

But first she has to help rescue the next Neanderthal, Subject Twenty-Two.

Twenty-Two has never left the confines of the steel walls that keep her separated from the other exhibits. She has no contact with the outside world and no way of knowing why she has been abandoned. With diminishing deliveries of food and water, she has to start breaking the museum's rules if she wants a second chance at living.

One belongs to the future and the other to the past, but both will need to adapt - or neither will survive . . .
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PRAISE FOR THE TOMORROW'S ANCESTORS SERIES

'A stonking good sci-fi & coming-of-age story all wrapped into one . . . a book that tackles humanity, hardship, and classism at the deepest level.' Magic Radio Book Club

Incredible . . . without a doubt one of the best YA sci-fi books I've ever read' Out and About Books

'Instantly engaging . . . widens out from a tale of a girl trying to find her own identity to a broader story encompassing an entire population's burden of oppression, and the desire for freedom' Track of Words

'One of the rare debuts that are really five star reads. Subject Twenty One grabbed me instantly and I couldn't put it down' Dom Reads
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Make sure you've read the whole series!

1. Subject Twenty-One
2. The Fifth Base
3. The Fourth Species