Order of Adventure Island Books

Helen Moss, a British author, created the Adventure Island series—a captivating mystery collection that launched in 2011. The series opened with *The Mystery of the Whistling Caves*, marking the beginning of Moss's engaging mystery adventures for readers.

#TitleYearBuy
1
The Mystery of the Whistling CavesThe Mystery of the Whistling Caves
2011
2
The Mystery of the Midnight GhostThe Mystery of the Midnight Ghost
2011
3
The Mystery of the Hidden GoldThe Mystery of the Hidden Gold
2011
4
The Mystery of the Missing MasterpieceThe Mystery of the Missing Masterpiece
2011
5
The Mystery of the Cursed RubyThe Mystery of the Cursed Ruby
2011
6
The Mystery of the Vanishing SkeletonThe Mystery of the Vanishing Skeleton
2011
7
The Mystery of the Dinosaur DiscoveryThe Mystery of the Dinosaur Discovery
2012
8
The Mystery of the Drowning ManThe Mystery of the Drowning Man
2012
9
The Mystery of the Smugglers' WreckThe Mystery of the Smugglers' Wreck
2012
10
The Mystery of the Invisible SpyThe Mystery of the Invisible Spy
2012
11
The Mystery of the King's RansomThe Mystery of the King's Ransom
2013
12
The Mystery of the Black SalamanderThe Mystery of the Black Salamander
2013
13
The Mystery of the Secret RoomThe Mystery of the Secret Room
2013
14
The Mystery of the Phantom LightsThe Mystery of the Phantom Lights
2013