Sophie McKenzie has 3 audiobooks on Listento.it, narrated by 3 narrators. The most-rated is Blood Ties.

Julia and Livy have always told each other everything, turning to each other when life gets difficult. So when Julia is found dead in her home, Livy cannot accept the verdict of suicide. Livy sets out to prove that Julia was murdered, but digging into Julia’s private life will cause her to question everything. The truths that Livy discovers will tear the very fabric of her own life apart.
©2014 Rosefire (P)2014 W F Howes Ltd

Clones Rachel and Theo now live thousands of miles apart. They keep in touch, but things just aren’t the same. When Rachel discovers that evil scientist Elijah is still working for a secret section of the government and is about to murder Daniel, she sets out to rescue the little boy - but her plans backfire with disastrous consequences. Meanwhile, across the Atlantic, Theo becomes suspicious when Rachel misses their weekly internet chat. He discovers a report online saying she’s killed her and travels to Scotland to find her...A tense thriller for older children, Blood Ransom is the second book featuring Rachel and Theo.
©2008 Sophie McKenzie (P)2014 Audible, Inc.

Theo gives his bodyguard the slip once too often. Rachel receives a weird text from her father. So begins a highly dangerous search to unravel unanswered questions about their past.
Linked by the firebombing of a research clinic, Theo and Rachel fear they are targets of an extremist group, who will stop at nothing to silence them. Awaiting them are startling discoveries about their identities which will affect their future in life-altering ways...
A gripping, thought-provoking thriller for older children from acclaimed author Sophie McKenzie.
©2008 Sophie McKenzie (P)2014 Audible, Inc.