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TIME LIONS AND THE CHRONO-LOOP

Martin Seneviratne Krystal Sutherland

Twins Pearl and Patrick Amarasinghe are about to change history - literally.
Pearl, a brilliant scientist, and Patrick, a history buff, have spent years working on their Secret Invention: a time machine. After a disastrous outing to Ancient Egypt brings them to the attention of T.I.M.E., The Interdimensional Misconduct Enquiry, the twins discover they aren't the first to tinker with timefar from it.

Thrust suddenly into the world of time travel - and those who seek to prevent it - the twins find themselves catapulted back to ancient Sri Lanka, the country of their heritage, where they must stop a reckless entrepreneur from changing the course of history forever. This highoctane, high stakes adventure will appeal to readers of Percy Jackson and lends itself to a series.

Krystal Sutherland & Martin Seneviratne, after marrying in late 2019, immediately decided to put their vows to the test by collaborating on their debut middle grade series, Time Lions. Martin's childhood was infused with his grandmother's magical tales of Sri Lanka's history and mythology. On a visit to Sigirya, the ancient rock fortress in the heart of Sri Lanka's jungles, Krystal and Martin began to craft this story of the genius Amarasinghe twins and their adventure back through time. It explores overlooked parts of history and the overlooked geni- uses who shape it. Krystal is a New York Times bestselling author of books for young adults, including House of Hollow, The Invocations, and Our Chemical Hearts, which was adapted into a film by Amazon Studios. Martin is a doctor and scientist who works on AI technology by day, and by night likes to dream about how technology can power new futures (and pasts). They live together in London with their daughter, and are still happily married.
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Published 2025-10-21 by Nancy Paulsen Books

Comments

UK: Bonnier Piccadilly Press, ANZ: Penguin Australia

With its brisk pace, well-crafted characters, humorous asides, and abundant plot twists, this book offers a fresh take on time-travel adventures. The cliffhanger climax will leave readers eager for the duology closer. A pacy adventure, centering Sri Lankan culture and inventively reimagining time travel.

[In] this immersive sci-fi fantasy series launch. Seneviratne and Sutherland reference real historical figures and events to ground intricate, fantastical worldbuilding, and deploy strong characterization chops to develop fully fleshed-out protagonists. The siblings are complex and undeniably charming tweens, whose journeys .... make for a vivacious time-hopping extravaganza.

The fast-paced story includes healthy doses of Sri Lankan heritage, world history, and science in a way that keeps readers engaged while learning. With the door left open for a sequel, this genre-bending sf adventure will be the next series to recommend to reluctant readers and lovers of the Rick Riordan Presents imprint.