Order of Book Series
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Helen Moss Books in Order

Helen Moss has written 24 books, published between 2011 and 2023. The first book is The Mystery of the Whistling Caves (2011) and the newest is Balto and Togo: Hero Dogs of Alaska (2023). Publication order is the reading order below. 14 of the 24 books listed here are in the Adventure Island series, which has its own page: Adventure Island books in order.

Books
24
Published
2011–2023
Pages on record
2,013 in 12 of 24 books
Reading time
34–50 hours

Reading time is an estimate, not a recorded figure: 2,013 pages at 300 words a page, read at 200–300 words a minute, covering the 12 of 24 titles with a page count on record.

See all 24 books in order Printable Helen Moss checklist

Helen Moss writes adventure and mystery stories for children. Adventure Island is the main series, and the subjects name Emily Wild, Jack Carter and Scott Carter as characters. The early titles read The Mystery of the...: Cursed Ruby, Hidden Gold, Midnight Ghost and Whistling Caves, all from 2011. Time Dogs and Secrets of the Tombs are further series, and time travel and dogs appear among the subjects. Balto and Togo: Hero Dogs of Alaska (2023) is the latest of 24 books.

How many Helen Moss books are there?

Helen Moss has 24 books, released between 2011 and 2023. They include 4 series and 1 title listed outside any series.

Helen Moss Books in Publication Order

The table lists all 24 Helen Moss books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.

  1. Cover of The Mystery of the Whistling Caves by Helen Moss, book 1 of the Adventure Island series (2011)
  2. Cover of The Mystery of the Midnight Ghost by Helen Moss, book 2 of the Adventure Island series (2011)
  3. Cover of The Mystery of the Hidden Gold by Helen Moss, book 3 of the Adventure Island series (2011)
  4. Cover of The Mystery of the Missing Masterpiece by Helen Moss, book 4 of the Adventure Island series (2011)
  5. Cover of The Mystery of the Cursed Ruby by Helen Moss, book 5 of the Adventure Island series (2011)
  6. Cover of The Mystery of the Vanishing Skeleton by Helen Moss, book 6 of the Adventure Island series (2011)
  7. Cover of The Mystery of the Dinosaur Discovery by Helen Moss, book 7 of the Adventure Island series (2012)
  8. Cover of The Mystery of the Drowning Man by Helen Moss, book 8 of the Adventure Island series (2012)
  9. Cover of The Mystery of the Smugglers' Wreck by Helen Moss, book 9 of the Adventure Island series (2012)
  10. Cover of The Mystery of the Invisible Spy by Helen Moss, book 10 of the Adventure Island series (2012)
  11. Cover of The Mystery of the King's Ransom by Helen Moss, book 11 of the Adventure Island series (2013)
  12. Cover of The Mystery of the Black Salamander by Helen Moss, book 12 of the Adventure Island series (2013)
  13. Cover of The Mystery of the Secret Room by Helen Moss, book 13 of the Adventure Island series (2013)
  14. Cover of The Mystery of the Phantom Lights by Helen Moss, book 14 of the Adventure Island series (2013)
  15. Cover of The Phoenix Code by Helen Moss, book 1 of the Secrets of the Tombs series (2014)
  16. Cover of The Dragon Path by Helen Moss, book 2 of the Secrets of the Tombs series (2015)
  17. Cover of The Serpent King by Helen Moss, book 3 of the Secrets of the Tombs series (2017)
  18. Cover of Seaman and the Great Northern Adventure by Helen Moss, book 2 of the Time Dogs series (2019)
  19. Cover of Barry and the Great Mountain Rescue by Helen Moss, book 3 of the Time Dogs series (2020)
  1. 1
    The Mystery of the Whistling CavesAdventure Island #12011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  2. 2
    The Mystery of the Midnight GhostAdventure Island #22011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  3. 3
    The Mystery of the Hidden GoldAdventure Island #32011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  4. 4
    The Mystery of the Missing MasterpieceAdventure Island #42011 · 175 pages · confirmed 2/4
    2011175
    Buy at Amazon USAmazon UK
  5. 5
    The Mystery of the Cursed RubyAdventure Island #52011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  6. 6
    The Mystery of the Vanishing SkeletonAdventure Island #62011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  7. 7
    The Mystery of the Dinosaur DiscoveryAdventure Island #72012 · 191 pages · confirmed 2/4
    2012191
    Buy at Amazon USAmazon UK
  8. 8
    The Mystery of the Drowning ManAdventure Island #82012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  9. 9
    The Mystery of the Smugglers' WreckAdventure Island #92012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  10. 10
    The Mystery of the Invisible SpyAdventure Island #102012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  11. 11
    The Mystery of the King's RansomAdventure Island #112013 · confirmed 2/4
    2013–
    Buy at Amazon USAmazon UK
  12. 12
    The Mystery of the Black SalamanderAdventure Island #122013 · confirmed 2/4
    2013–
    Buy at Amazon USAmazon UK
  13. 13
    The Mystery of the Secret RoomAdventure Island #132013 · 176 pages · confirmed 2/4
    2013176
    Buy at Amazon USAmazon UK
  14. 14
    The Mystery of the Phantom LightsAdventure Island #142013 · confirmed 2/4
    2013–
    Buy at Amazon USAmazon UK
  15. 15
    The Phoenix CodeSecrets of the Tombs #12014 · 272 pages · confirmed 2/4
    2014272
    Buy at Amazon USAmazon UK
  16. 16
    The Dragon PathSecrets of the Tombs #22015 · 327 pages · confirmed 2/4
    2015327
    Buy at Amazon USAmazon UK
  17. 17
    The Mystery of the Tangled NetRising Stars Reading Planet #12017 · 32 pages · confirmed 2/4
    201732
    Buy at Amazon USAmazon UK
  18. 18
    The Mystery of the Green LadyRising Stars Reading Planet #22017 · 24 pages · confirmed 2/4
    201724
    Buy at Amazon USAmazon UK
  19. 19
    The Serpent KingSecrets of the Tombs #32017 · 272 pages · confirmed 2/4
    2017272
    Buy at Amazon USAmazon UK
  20. 20
    Balto and the Race Against TimeTime Dogs #12019 · 144 pages · confirmed 2/4
    2019144
    Buy at Amazon USAmazon UK
  21. 21
    Seaman and the Great Northern AdventureTime Dogs #22019 · 144 pages · confirmed 2/4
    2019144
    Buy at Amazon USAmazon UK
  22. 22
    Barry and the Great Mountain RescueTime Dogs #32020 · 144 pages · confirmed 2/4
    2020144
    Buy at Amazon USAmazon UK
  23. 23
    Anubis and the Golden CollarTime Dogs #42020 · 112 pages · confirmed 2/4
    2020112
    Buy at Amazon USAmazon UK
  24. 24
    Balto and Togo: Hero Dogs of Alaska2023 · confirmed 2/4
    2023–
    Buy at Amazon USAmazon UK

Helen Moss series in order

The series linked below has its own reading-order page.

Helen Moss books grouped by series

Each title below is a row in the publication-order table above. None of these groups has a reading-order page of its own on this site.

Time Dogs in order

4 books
  1. 1. Balto and the Race Against Time
  2. 2. Seaman and the Great Northern Adventure
  3. 3. Barry and the Great Mountain Rescue
  4. 4. Anubis and the Golden Collar

Secrets of the Tombs in order

3 books
  1. 1. The Phoenix Code
  2. 2. The Dragon Path
  3. 3. The Serpent King

Rising Stars Reading Planet in order

2 books
  1. 1. The Mystery of the Tangled Net
  2. 2. The Mystery of the Green Lady

Standalone books

1 book

1 Helen Moss title here is not listed as part of any series.

Do you have to read Helen Moss books in order?

You only need to read Helen Moss books in order within each series: the books listed here span 4 separate series, and each series has its own publication order.

Where to start with Helen Moss

Start with The Mystery of the Whistling Caves (2011), the first Adventure Island book. It is also the earliest catalogued title.

What is the newest Helen Moss book?

Balto and Togo: Hero Dogs of Alaska (2023) is the newest Helen Moss book released so far.

Is there a new Helen Moss book coming?

No next Helen Moss book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.

Helen Moss at a glance

Paused
No new Helen Moss title has appeared for 3 years. The last was published in 2023.
Release pace
Helen Moss books have appeared more than one a year on average.
Length
2,013 pages across the 12 of 24 books with a recorded length, a median of 160 pages each.
Busiest decade
Most Helen Moss books, 21 of 24, were published in the 2010s.

What the Helen Moss books are about

20 of the 24 Helen Moss books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: children's fiction is tagged on 15 of 20. The subjects are cataloguers’ headings, not a plot summary.