Mine-Shift, by John Kitchen, is a time-slip adventure about Joel Penberthy, a teenage Cornish miner whose life is split between the brutal reality of the eighteenth century and the strange brightness of the twenty-first. Joel first stumbles into the future through an old mine passage, carrying with him fear, guilt, superstition, and a fierce loyalty to his injured father. His first clear reaction says a lot about the book’s heart: “I don’t belong here.” That feeling of being out of place drives the story, but so does Joel’s growing sense that belonging can change.

The novel is especially strong when it keeps Joel close to the physical world he knows. The mine is hot, dangerous, cramped, and full of old beliefs, while modern Cornwall feels almost magical through his eyes, with cars, phones, medicine, surfing, bright shops, and easy friendship. Kitchen gets a lot of mileage out of that contrast. The future isn’t treated as a joke or a simple rescue. It’s confusing, dazzling, and sometimes frightening, and Joel has to learn it piece by piece.

Joel’s friendships with Cass, Karl, and Ewan give the book much of its warmth. Cass is curious, bold, and kind, and her bond with Joel gives the story a tender pull without taking it away from adventure. Karl and Ewan help widen Joel’s world, while Dr Greaves brings practical hope through medicine. What’s nice is that these modern characters don’t just teach Joel things. They give him room to become more himself, and that makes his transformation feel earned.

At the same time, the story keeps one foot firmly in Joel’s old life. His father’s injury, Hab’s anger, the Pellar’s influence, and the suspicion of “black arts” create real pressure around every trip through the portal. Joel isn’t simply choosing between misery and comfort. He loves people on both sides of time, and that makes the ending land with a quiet sadness as well as relief. By the close, when Joel is described as “a twenty-first-century boy,” the line feels less like escape and more like the final shape of a hard choice.

Mine-Shift is a thoughtful adventure about courage, change, and the shock of seeing your own world from the outside. It blends Cornish mining history, folklore, friendship, and time travel into a story that feels accessible for older children while still carrying some emotional weight. Joel is easy to care about because he’s scared, stubborn, decent, and often overwhelmed, which makes his journey feel personal rather than merely fantastical.

Pages: 225 | ASIN ‏ : ‎ B0FP4C1DDY