Book: Underlings: The Spark Engine

Please note: All purchases will be shipped on or after 13th Sept 2025.
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Your Price: GBP £7.99
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Book cover

UK Publisher: Toller Press
Publishing Date: 13th Sept 2025

What’s it about?
Barely surviving in the machine-powered subterranean city of Lode, lone Underling Evin discovers a skeletal hand clutching a cryptic note.

Driven to unlock Lode’s secrets, Evin and her mech-dog Jet face danger at every turn: unscrupulous bullies, brutish guards and the deadly fumes of the dragonsbreath.

But to reveal the truth, Evin must trust new friendships, battle her way upwards and confront the city’s deceptive leader, Cardinal Mavka, before the world she knows comes crashing down.

Reviews
“The Spark Engine is a rollicking steampunk ride, filled to the gasket with brilliant worldbuilding and ingenious twists.” – Darren Simpson, author of The Memory Thieves and Furthermoor

“This sparky tale is full of twists and cog-turns as we follow Evin, and her mech dog Jet, through the steampunk labyrinth of Lode.” – Becca Rogers, author of The Girl with Gills

“I loved the story and the way it transported you to another world…set in the past but also really modern with unusual inventions like the collection pod. I loved the illustrations which really helped me imagine the world Evin was living in. Jet was my favourite character.” – Pearl, age 11

“The plot was full of twists and turns. At the end I really liked how all the storylines came together and finished in such a satisfying way. I definitely rate it 5 stars!” – Marika, age 11

“My favourite chapter was chapter seven, because when Evin gets scanned it gave me a burst of excitement. I didn’t want to put the book down and I would like to see more like it.” – Noah, age 10

“The story is full of twists and turns and I loved trying to work out what would happen next to Evin and her dog, Jet. If you love adventures and a good mystery this book does not disappoint.” – Isaac, age 10

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