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See the Grk books by Josh Lacey in order, with quick summaries, reading order, and a guide to Tim and Grk's globe-trotting adventures.

Last updated: July 14, 2026

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Grk books in publication order

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8 books

1

A Dog Called Grk

by Joshua Doder

2005

Tim finds a stray dog and decides to return him, only to learn Grk's owners are trapped in a dictatorship. His rescue mission soon involves prisons, helicopters, and a very long trip.

2

Grk and the Hot Dog Trail

by Joshua Doder

2006

In New York, a stolen golden statue and a trail of hot dogs pull Tim and Grk into another fast case. Their search races from Central Park to Brooklyn.

3

Grk and the Pelotti Gang

by Joshua Doder

2006

In Brazil, Tim and Grk get swept into a chase after the notorious Pelotti Gang. Rio, jungle crashes, and a deadly waterfall make this one of their wildest trips.

4

Grk Operation Tortoise

by Joshua Doder

2007

A relaxing trip to the Seychelles turns dangerous when Tim finds an injured stranger on the beach. Soon he and Grk are up against a plot that threatens the islands' giant tortoises.

5

Grk Smells a Rat

by Joshua Doder

2008

A crooked deal in India leads Tim and Grk toward a gang exploiting children. To help a boy named Krishnan and his sister, they have to uncover what is really going on.

6

Grk Takes Revenge

by Joshua Doder

2009

Max heads to Paris to face the brutal Colonel Zinfandel, and Tim, Natascha, and Grk rush after him. What starts as a rescue turns into a tense showdown with an old enemy.

7

Grk Down Under

by Joshua Doder

2010

When Grk follows the smell of sausages, he ends up in Australia and in serious trouble. Tim races after him to stop the Red Jelly Gang and save both his dog and the Sydney Opera House.

8

Grk and the Phoney Macaroni

by Joshua Doder

2012

Grk is dognapped in London, and Tim follows the trail all the way to Italy. There he runs into the mysterious Duke of Macaroni and another tangled, fast-moving case.

Grk books in chronological order

  1. Book cover for "A Dog Called Grk"

    A Dog Called Grk

    by Joshua Doder

    2005Grk, Book 1
  2. Book cover for "Grk and the Pelotti Gang"

    Grk and the Pelotti Gang

    by Joshua Doder

    2006Grk, Book 2
  3. Book cover for "Grk and the Hot Dog Trail"

    Grk and the Hot Dog Trail

    by Joshua Doder

    2006Grk, Book 3
  4. Book cover for "Grk Operation Tortoise"

    Grk Operation Tortoise

    by Joshua Doder

    2007Grk, Book 4
  5. Book cover for "Grk Smells a Rat"

    Grk Smells a Rat

    by Joshua Doder

    2008Grk, Book 5
  6. Book cover for "Grk Takes Revenge"

    Grk Takes Revenge

    by Joshua Doder

    2009Grk, Book 6
  7. Book cover for "Grk Down Under"

    Grk Down Under

    by Joshua Doder

    2010Grk, Book 7
  8. Book cover for "Grk and the Phoney Macaroni"

    Grk and the Phoney Macaroni

    by Joshua Doder

    2012Grk, Book 8

Series background & context

There are eight Grk books, and they start with a very simple question: what would you do if a strange dog followed you home? Tim Malt takes the practical answer, try to find the owner, and gets something much bigger instead. The dog belongs to Max and Natascha, two children caught up in the politics of their homeland, Stanislavia. By the end of A Dog Called Grk, Tim is no longer just helping a stray. He is in the middle of a rescue mission.

That opening tells you a lot about the series. These are fast, funny adventure books where ordinary children keep landing in international trouble. Once Tim, Max, Natascha and Grk have found each other, the books keep sending them somewhere new. Brazil, New York, the Seychelles, India, Paris, Australia and Italy all get their turn, which gives each story a slightly different flavor while keeping the same core team together.

Grk is the real engine of chaos. He is loyal, fearless, and often the reason the story starts moving in the first place. Tim is thoughtful and resourceful, Max is bolder, and Natascha usually has no patience for nonsense. That balance helps the books feel lively. The children argue, improvise and make mistakes, but they keep going.

The tone is classic adventure with a wink. There are sinister villains, prison breaks, treasure hunts, kidnappings and conspiracies, but the books never forget to be funny. Josh Lacey keeps the chapters moving, and he writes action very clearly, so younger readers can follow the twists without getting lost. If you like stories where adults are unreliable and kids have to sort things out themselves, this series does that very well.

You can read most of the books on their own, because each adventure has its own destination and problem. Still, there is a nice extra payoff in going in order. You meet the central friendships properly, watch old enemies reappear, and see how Tim grows more confident with every trip.

At heart, the Grk books are about curiosity, loyalty and the strange places one good-hearted decision can lead. Tim picks up a dog, meaning to help. A few pages later, he is crossing borders, dodging crooks and discovering that the world is much larger than he thought.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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