A. J. Bolster – Children’s Mystery Author
I’m A. J. Bolster, a Nottinghamshire-based children’s author who creates heart-warming mystery adventures for curious young readers.
Through my series The Snoops Schoolyard Mysteries, I invite children to explore friendship, teamwork and problem-solving, with plenty of clues, laughter and surprises along the way.
When I’m not plotting my next twist, I enjoy time with my family and my grandson, Reuben, who inspires many of my stories and imaginative ideas.
When I’m not plotting my next twist, I enjoy time with my family and my grandson, Reuben, who inspires many of my stories and imaginative ideas.
You’ll often find me notebook in hand, dreaming up the next adventure for Katie, Ben and Ella — the three friends who started it all in The Snoops and the Hidden Switch.

Heart-warming mystery adventures for readers aged 8–12
Schoolyard sleuths, clever clues, and laugh-out-loud moments
Stories that spark curiosity, friendship, and fun

A J Bolster – Children’s Mystery Author
Books and Editions Published
Most Popular Title
Storyline
2018
The first spark for The Snoops idea was born — inspired by Reuben’s boundless curiosity and schoolyard adventures.
2019
Began writing The Snoops and the Hidden Switch, building a world of friendship, puzzles, and mystery.
2021
Completed the manuscript and began learning indie publishing — from formatting to cover design.
2023
Built the A. J. Bolster author brand—website, newsletter, and early ARC reader team (plus cover design and final edits).
2025
The Snoops and the Hidden Switch launched in paperback, eBook, audiobook, and hardback—reaching classrooms and libraries across the UK.
2026
Launching Series 2 of The Snoops Mysteries and The Sigil Trilogy—a young adult fantasy adventure series.



