Martin J. Stewart

Bridget Vanderpuff

1 - Bridget Vanderpuff and the Baked Escape (Jun-2023)
2 - Bridget Vanderpuff and the Ghost Train (Aug-2023)
3 - Bridget Vanderpuff and the Great Airship Robbery (Feb-2024)
4 - Bridget Vanderpuff and the Monster Mountain Mystery (Sep-2024)

Sandy Fin

1 - Sandy Fin: Operation Splash Landing (Jun-2025)
2 - Sandy Fin: Mystery of the Phantom Diver (Jan-2026)

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  Riverkeep
  

  • Aug-2016
  • / Action Adventure

  The Danék is a wild, treacherous river, and Wull Fobisher's family has tended it for generations -- clearing it of ice and weed, making sure boats can get through, and fishing corpses from its bleak depths. While recovering a drowned man, Wullâ€...

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  The Sacrifice Box
  

  • Sep-2018
  • / Horror

  A horror story about friendship, growing up, and finding a place in the world: Gremlins meets The Breakfast Club by way of Stephen King and Stranger Things. In the summer of 1982, five friends discover an ancient stone box hidden deep in the woods...

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  The Wild Huntsboys
  

  • Mar-2021
  • / General Fiction

  In the spirit of Adam Gidwitz comes a fairytale for the modern reader, but this time, the faeries are the monsters lurking in the shadows.In a city overrun by war, Luka doesn't have time for games. So when his little sister asks him to care for her f...

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  Bridget Vanderpuff and the Baked Escape
  

  • Jun-2023
  • / General Fiction

  Bridget Vanderpuff - 1
  

  The first in a hilarious middle-grade series about a whip-smart inventor and amateur sleuth with a taste for adventure -- a recipe for fun sprinkled with mystery, villainy, silliness, heart, and hope.Bridget Baxter is the very last orphan at the Orph...

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  Bridget Vanderpuff and the Ghost Train
  

  • Aug-2023
  • / Mystery

  Bridget Vanderpuff - 2
  

  Follow the brilliant Bridget Vanderpuff on a thrilling new adventure as she investigates the mystery of the ghost train haunting her town -- perfect for fans of Katherine Arden and Beth Lincoln!Belle-on-Sea is getting ready for the Night of the Hungr...

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  Bridget Vanderpuff and the Great Airship Robbery
  

  • Feb-2024
  • / General Fiction

  Bridget Vanderpuff - 3
  

  Follow the brilliant Bridget Vanderpuff on another action-packed adventure as she sets off for Paris in this middle grade novel perfect for fans of The Great British Baking Show and Beth Lincoln!Someone has stolen Mr. Vanderpuff’s golden whisk! If ...

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  Double Proof
  

  • Sep-2024
  • / General Fiction

  Stolen whisky, drug dealers, bent cops, social influencers and yakuza mobsters. And Robbie Gould is caught in the middle. 1964. A hoard of the finest Scotch whisky ever made â€" the legendary Dalziel Double Proof â€" goes missing. 2023. Albie, youn...

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  Bridget Vanderpuff and the Monster Mountain Mystery
  

  • Sep-2024
  • / General Fiction

  Bridget Vanderpuff - 4
  

  Follow the brilliant Bridget Vanderpuff on another action-packed adventure as she heads to the Swiss Alps in this middle grade novel perfect for fans of The Great British Baking Show and Beth Lincoln!Bridget and Tom are bound for Butterälp, on their...

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  Sandy Fin: Operation Splash Landing
  

  • Jun-2025
  • / General Fiction

  Sandy Fin - 1
  

  '[A] thrilling story... a must-read for 8+ year olds' School Reading List
  
  Meet ocean explorer Sandy Fin, silver-scaled diver of the deep, puzzler of puzzles and hero of a new hilarious middle grade series from Martin Stewart, illus...

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  Sandy Fin: Mystery of the Phantom Diver
  

  • Jan-2026
  • / General Fiction

  Sandy Fin - 2
  

  Meet ocean explorer Sandy Fin, silver-scaled diver of the deep, puzzler of puzzles and daring hero of a hilarious middle grade series by Martin Stewart, illustrated in black and white.
  
  Sandy Fin and his best friend Lily are enjoying life ...

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