Helen Moss

Author Information
Helen Moss's Latest Book

Newest Release

  • Bibliography:
    19 Books (3 Series)
  • First Book:
    July 2011
  • Latest Book:
    March 2020
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Full Series List in Order

Adventure Island

1 - The Mystery of the Whistling Caves (Jul-2011)
2 - The Mystery of the Midnight Ghost (Jul-2011)
3 - The Mystery of the Hidden Gold (Aug-2011)
4 - The Mystery of the Missing Masterpiece (Aug-2011)
5 - The Mystery of the Cursed Ruby (Sep-2011)
6 - The Mystery of the Vanishing Skeleton (Sep-2011)
7 - The Mystery of the Dinosaur Discovery (Apr-2012)
8 - The Mystery of the Drowning Man (Apr-2012)
9 - The Mystery of the Smugglers' Wreck (Jun-2012)
10 - The Mystery of the Invisible Spy (Jun-2012)
11 - The Mystery of the Secret Room (Jul-2013)
12 - The Mystery of the Phantom Lights (Aug-2013)
13 - The Serpent King (Jul-2016)

Secrets of the Tombs

1 - The Phoenix Code (Jul-2014)
2 - The Dragon Path (Jun-2015)

Time Dogs

1 - Balto and the Race Against Time (Jun-2019)
2 - Seaman and the Great Northern Adventure (Jun-2019)
3 - Barry and the Great Mountain Rescue (Mar-2020)

Book List in Order: 19 titles

  • The Mystery of the Midnight Ghost

    Adventure Island - 2

    When Scott , Jack and Emily hear that a film is being made at the nearby manor house they can't resist going to watch. But when the glamorous star of the film vanishes the friends realize they have a new mystery to solve! Has the star been kidnapped...

  • The Mystery of the Whistling Caves

    Adventure Island - 1

    When Scott and Jack Carter have to stay with their great aunt for the summer they steel themselves for the most boring holiday ever. But then they meet Emily Wild and her loveable dog, Drift. Emily shows them the lighthouse, the castle - and the amaz...

  • The Mystery of the Hidden Gold

    Adventure Island - 3

    A game of hide and seek in the old Castle Key lighthouse during a violent thunder storm leads to an amazing discovery - a tattered old treasure map! Scott, Jack and Emily can't wait to search for the hidden gold but first they must solve the clues to...

  • The Mystery of the Missing Masterpiece

    Adventure Island - 4

    When thieves raid the house of a neighbour, Emily, Jack and Scott are ready to investigate. But, strangely, the neighbour doesn't seem to want the thieves to be caught! The burglars didn't escape with much this time but could the raid be connected t...

  • The Mystery of the Cursed Ruby

    Adventure Island - 5

    The circus comes to town, full of conjurors, clowns, tightrope walkers and trapeze artists. But dark secrets lurk beneath the sawdust and spangles - secrets that are part of a dangerous mystery that might prove impossible to solve! The fifth book in...

  • The Mystery of the Vanishing Skeleton

    Adventure Island - 6

    A string of unusual crimes hits Castle Key and the chief suspect seems to be a skeleton! Scott, Jack, Emily and Drift the dog immediately start investigating, but nothing about the mystery makes sense. Will the friends finally be defeated by this ba...

  • The Mystery of the Dinosaur Discovery

    Adventure Island - 7

    When Scott, Jack and Emily stumble upon some bones in the quarry above Castle Key, they're convinced they've discovered the gruesome remains of a murder victim! But the bones turn out to be much, much older than that - could they be dinosaur bones? O...

  • The Mystery of the Drowning Man

    Adventure Island - 8

    When Scott, Jack and Emily rescue a drowning man from the waves they are keen to hear his story, but their new friend can't remember his own name, let alone how he came to be stranded at sea! Who is the mystery man? Why did he come to Castle Key? And...

  • The Mystery of the Invisible Spy

    Adventure Island - 10

    There's a new resident in Castle Key - and somebody is watching him! Scott, Jack, Emily and Drift soon suspect that the new resident is an enemy spy. It explains the bullet-proof glass in the windows of his house. And the MI5 agent who is clearly kee...



  • The Mystery of the Smugglers' Wreck

    Adventure Island - 9

    A research team arrives in Castle Key to explore the wreck of an old smugglers' ship that sank in Pirate Cove. When Scott and Emily dive down to the wreck, Scott glimpses a long lost artefact said to hold the key to a hoard of smuggled treasure. Bu...

  • The Mystery of the Secret Room

    Adventure Island - 11

    When Boomerang the cat discovers a hidden room, Scott, Jack, Emily and Drift the dog are on hand to investigate. An enormous treasure chest inside the room holds clues to an ancient secret and a lost relic! The friends are determined to solve the ...

  • The Mystery of the Phantom Lights

    Adventure Island - 12

  • The Phoenix Code

    Secrets of the Tombs - 1

    When Ryan Flint accompanies his journalist mother to an archaeological expedition in Egypt's Valley of the Kings, he isn't expecting life-threatening danger and a 3,000-year-old murder mystery - but that's exactly what he finds! Before he knows it, h...

  • The Dragon Path

    Secrets of the Tombs - 2

    A mysterious mission. A deadly secret.Can Ryan and Cleo survive the Dragon Path?Ryan Flint and Cleo McNeil are heading to China with their parents to examine an archaeological site. But when Cleo's grandmother tells them about a secret that haunts he...

  • The Serpent King

    Adventure Island - 13

    Perfect for fans of INDIANA JONES and PERCY JACKSON, this third exciting installment in Helen Moss' SECRETS OF THE TOMBS series follows Ryan and Cleo on another death-defying mission.

    Can Ryan and Cleo uncover the secrets of the tombs and so...

  • Cold Cafe

  • Balto and the Race Against Time

    Time Dogs - 1

    When a pack of senior dogs find themselves transported back in time―and turned into puppies!―they must make their way back home, helping real-life historical dogs along the way. In this first adventure, meet Baxter, Trevor, Newton, Titch, and ...

  • Seaman and the Great Northern Adventure

    Time Dogs - 2

    When a pack of senior dogs find themselves transported back in time―and turned into puppies!―they must make their way back home, helping real-life historical dogs along the way. In this second adventure, Baxter, Trevor, Newton, Titch, and Maia...

  • Barry and the Great Mountain Rescue

    Time Dogs - 3

    An exciting new illustrated chapter book series for dog-loving readers from writer Helen Moss and artist Misa Saburi!When a pack of senior dogs find themselves transported back in time and turned into puppies, they must make their way back home, help...



Frequently Asked Questions (FAQ)

Helen Moss has published 19 books.

Helen Moss does not have a new book coming out soon. The latest book, Barry and the Great Mountain Rescue, was published in March 2020.

The first book by Helen Moss, The Mystery of the Whistling Caves, was published in July 2011.

Yes. Helen Moss has 3 series.
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