Age Range: 8 - 11
By: Sam Collins

Genre(s): Adventure

Lily's life is in mortal peril. Her father is missing and now silver-eyed men stalk her through the shadows. What could they want from her?

With her friends - Robert, the clockmaker's son, and Malkin, her mechanical fox - Lily is plunged into a murky and menacing world. Too soon Lily realizes that those she holds dear may be the very ones to break her heart..

Book Author: Peter Bunzl

See More Books from this author

Teaching Ideas and Resources:


  • Visit Peter Bunzl’s website and download the teaching resources pack for Cogheart and Moonlocket which has lots of great ideas! 
  • Chose a pair of contrasting characters and write a character sketch of each one.
  • Write an acrostic poem based on the word COGHEART.
  • Choose a scene and turn it into a playscript.
  • Cogheart is set in a fictional world that is based on Victorian London. Design your own fictional world, based on a real historical period you have studied. 
  • How does the Cogheart world compare to other fictional worlds that you know (for example, the worlds of the Hobbit and Harry Potter)? What techniques do the writers use to make a fictional world believable?
  • Make a storyboard or story map showing how the plot develops. 
  • Generate some questions you would like answered - what puzzles you about the book?
  • Use “Hot Seating”: a child (or adult) plays the role of one of the main characters and the class asks them questions. What would the character reply?
  • Look at the vocab sheet in the school resource pack (page 13) and write your own “Cogheart Dictionary”.


  • Work out the distances travelled by airship during the book.


  • Research how an airship flies.


  • Use an animation package to design your own Cogheart gif (look here for inspiration).
  • Watch the official Trailer for Cogheart and make your own:

Design Technology


  • Imagine you were flying in an airship over the area where you live. What would you see? Draw the view.
  • Peter Bunzl has lots of images that he used for inspiration on his Pinterest boards. Use one (or more) of them as inspiration for your own artwork. 


  • Compose some music to accompany the animated cover. What kind of instruments could you use?



  • Should the Mechanicals and mechanimals be treated the same as humans and animals? 


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