• by Peter Bunzl
  • Narrated by Rachael Beresford
  • 7 hrs and 54 mins
  • Unabridged Audiobook

Publisher's Summary

When escapologist Jack Door breaks out from Pentonville Prison, he sets out for the town of Brackenbridge, determined to find his missing treasure, the Moonlocket. But when Lily and Robert unwittingly find themselves caught up in Jack's search, they discover that Robert's history holds the secret to the Moonlocket's whereabouts.
Determined to solve the mystery, Lily, Robert and Malkin the mechanical fox set out for London on an adventure full of danger, family secrets and long-buried treasure.


What the Critics Say

"A steampunky tale of ambition, pursuit and revenge." (The Guardian on Cogheart)
"Wonderfully gripping." (The Bookseller on Cogheart)


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Customer Reviews

Most Helpful


A great book. I have read the first one, cogheart, and I'm now thoroughly enjoying listening to the second, moonlocket. Action packed and full of adventure you will find yourself gripped!!! Bridget, 10
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- R. Blackstone

Book Details

  • Release Date: 04-05-2017
  • Publisher: Nudged Audio