Helen Moss Books In OrderPublication Order of Adventure Island BooksPublication Order of Secrets of the Tombs BooksPublication Order of Rising Stars Reading Planet BooksPublication Order of Time Dogs BooksPublication Order of Children’s BooksPublication Order of AnthologiesLeave a Reply
| The Mystery of the Whistling Caves | (2011) | Description / Buy at Amazon |
| The Mystery of the Midnight Ghost | (2011) | Description / Buy at Amazon |
| The Mystery of the Hidden Gold | (2011) | Description / Buy at Amazon |
| The Mystery of the Missing Masterpiece | (2011) | Description / Buy at Amazon |
| The Mystery of the Cursed Ruby | (2011) | Description / Buy at Amazon |
| The Mystery of the Vanishing Skeleton | (2011) | Description / Buy at Amazon |
| The Mystery of the Dinosaur Discovery | (2012) | Description / Buy at Amazon |
| The Mystery of the Drowning Man | (2012) | Description / Buy at Amazon |
| The Mystery of the Smugglers’ Wreck | (2012) | Description / Buy at Amazon |
| The Mystery of the Invisible Spy | (2012) | Description / Buy at Amazon |
| The Mystery of the King’s Ransom | (2013) | Description / Buy at Amazon |
| The Mystery of the Black Salamander | (2013) | Description / Buy at Amazon |
| The Mystery of the Secret Room | (2013) | Description / Buy at Amazon |
| The Mystery of the Phantom Lights | (2013) | Description / Buy at Amazon |
| The Phoenix Code | (2014) | Description / Buy at Amazon |
| The Dragon Path | (2015) | Description / Buy at Amazon |
| The Serpent King | (2017) | Description / Buy at Amazon |
| The Mystery of the Tangled Net | (2017) | Description / Buy at Amazon |
| The Mystery of the Green Lady | (2017) | Description / Buy at Amazon |
| Balto and the Race Against Time | (2019) | Description / Buy at Amazon |
| Seaman and the Great Northern Adventure | (2019) | Description / Buy at Amazon |
| Barry and the Great Mountain Rescue | (2020) | Description / Buy at Amazon |
| Anubis and the Golden Collar | (2020) | Description / Buy at Amazon |
| Balto and Togo: Hero Dogs of Alaska | (2023) | Description / Buy at Amazon |
| Mystery & Mayhem | (2016) | Description / Buy at Amazon |