Margins
Blood Ties book cover 1
Blood Ties book cover 2
Blood Ties
Series · 2 books · 2008-2010

Books in series

Blood Ties book cover
#1

Blood Ties

2008

A gripping thriller from the Richard and Judy award-winning author of Girl, Missing, Sophie McKenzie. When Theo discovers the father he thought died when he was a baby is still alive, he's determined to find him. The clues lead him to the lonely Rachel, who has problems of her own, including parents who compare her unfavourably to her long-dead sister. But when Rachel and Theo are attacked by men from RAGE - the Righteous Army against Genetic Engineering - at Rachel's school disco, they are rescued by strangers and taken to meet a mysterious figure. There, they both make some startling discoveries about their identities, which will affect their past, present, and future in dramatic and life-altering ways...
Blood Ransom book cover
#2

Blood Ransom

2010

The long-awaited sequel to Blood Ties, by the bestselling author of Girl, Missing, the Medusa Project series and the All About Eve series. Clones Rachel and Theo now live hundreds of miles apart. They keep in touch, but things just aren't the same. When Rachel discovers that evil scientist Elijah is still working in secret for a section of the government and about to murder Daniel, she sets out to rescue the little boy, but her plans backfire with disastrous consequences. Across the Atlantic, Theo becomes suspicious when Rachel misses their weekly internet chat. He discovers a report online saying she's killed herself and travels to Scotland to find her, certain that she has been kidnapped. A clue leads him to Elijah's mysterious clinic, where the sinister Aphrodite Experiment is underway. But what is Elijah really planning? Why does he need to track Rachel down so badly? And will Rachel and Theo be able to pay the ultimate ransom that he demands?

Author

Sophie McKenzie
Sophie McKenzie
Author · 38 books

Hey there! Welcome to my Goodreads page where you can keep up with all my stories - both the ones that are already published and the works in progress!! I write mostly teen thrillers - plus some teen romance, books for younger children and four adult psychological thrillers. I'm really excited right now because of... Boy, Missing, my £1 book for World Book Day and Truth or Dare, my new teen thriller. (UK) For more info on these and my other books, check out my website: www.sophiemckenziebooks.com

548 Market St PMB 65688, San Francisco California 94104-5401 USA
© 2025 Paratext Inc. All rights reserved