UNDERLINGS: The Spark Engine is an exciting science-fiction adventure book for ages 9+ by Murray Fisher.

Barely surviving in the machine-powered subterranean city of Lode, underling Evin discovers a skeletal hand clutching a cryptic note: Find Karl. Stop the engine. Unlock the truth. Nala Nermana.

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.

Three lucky readers will win a signed copy of the book published by Toller Press, a bookmark and a limited-edition A2 poster.

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