The SUNDAY TIMES bestseller
"Amazing! One of the twistiest time-tales I've ever read."
"Crichtonesque thrillers don't come much better than this... Readers won't be able to turn the pages fast enough."
–Publishers Weekly (Starred Review)
"Are we talking plot twists? More like spirals. Gripping, clever, mind-bending stuff."
From the worldwide bestselling author of Departure and Winter World comes a standalone novel about a father and daughter trying to unravel an intricate murder mystery spread across time – with a jaw-dropping twist.
Control the past.
Save the future.
One morning, Dr. Sam Anderson wakes up to find that the woman he loves has been murdered.
For Sam, the horror is only beginning.
He and his daughter are accused of the crime. The evidence is ironclad. They will be convicted.
And so, to ensure his daughter goes free, Sam does what he must: he confesses.
But in the future, murderers aren't sent to prison.
Thanks to a machine Sam helped invent, the world's worst criminals are now sent to the past – approximately 200 million years into the past, to the dawn of the time of the dinosaurs – where they must live out their lives alone, in exile from the human race.
Sam accepts his fate.
But his daughter doesn't.
Adeline Anderson has already lost her mother to a deadly, unfair disease. She can't bear to lose her father as well.
So she sets out on a quest to prove him innocent. And to get him back. People around her insist that both are impossible tasks.
But Adeline doesn't give up. She only works harder.
She soon learns that impossible tasks are her specialty. And that she is made of tougher stuff than she ever imagined.
As she peels back the layers of the mystery that tore her father from this world, Adeline finds more questions than answers. Everyone around her is hiding a secret. But which ones are connected to the murder that exiled her father?
That mystery stretches across the past, present, and future – and leads to a revelation that will change everything.
Head of Zeus -- an AdAstra Book * Science Fiction
14 Sep 2023 * 464pp * £9.99 * 9781804541784
"One of the twistiest time-tales I've ever read! An amazing story of love, murder, betrayal, multiple universes, dinosaurs – and just what 'causality' really means"
"Crichtonesque thrillers don't come much better than this intricate outing which combines a fantastic premise – a time-travel device known as Absolom is used to imprison dangerous criminals in the prehistoric past – with a closed-circle whodunit... Riddle keeps the twists coming, including a mind-bending jaw-dropper that sets up the book's second half. By creating sympathetic and complex characters, the author makes suspending disbelief easy. Readers won't be able to turn the pages fast enough"
Publishers Weekly Starred Review
"We're talking high-concept thriller here... there are many japes and high jinks ahead"
"The book picks up like a great roller coaster. With a nod to John Varley's Millennium, the thrills in this mystery are not so much about who the killer is but how to save lives while maintaining their timeline"
"Are we talking plot twists? More like spirals. Gripping, clever, mind-bending stuff"
"A gorgeously dense and satisfying yarn... A hugely recommended high-concept page-turner"
"[A] twisty-turny time travel caper, with a plot that could happily make a Bill & Ted sequel"
"Equal parts frenetic survival thriller and intelligent sci-fi study, Riddle's beautifully linear storytelling is a welcome change from more traditional time travel tales"
"If time travel/science fiction/fantasy is your thing, you'll love this... It's all good fun and thrilling ride. Fasten your seatbelts"
"If you enjoy science fiction and time travel with your novels you will want to read Lost In Time by A.G. Riddle. The story features an interesting concept, believable characters and lots of suspense and adventure... A fascinating plot and lots of suspense make [it] an excellent read"
"It's hard to beat a time-travel murder mystery with dinosaurs"
"If you're looking for [a] page-turner with lots of silly action, cliff-hangers, and plot twists it's hard to beat a time-travel murder mystery with dinosaurs"
"A riveting saga of a time travel novel penned with impressive originality, expert storytelling skills, and an inherent fascination that will hold a very special appeal for science fiction fans"
Midwest Book Review
A.G. Riddle spent ten years starting and running internet companies before retiring to focus on his true passion: writing fiction. He is now an Amazon and Wall Street Journal bestselling author with nearly five million copies sold worldwide in twenty languages. He lives in North Carolina. Visit www.agriddle.com
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