Polar Bear Explorers' Club
1 The Polar Bear Explorers' Club (2017)
2 Explorers on Witch Mountain (2018)
aka The Forbidden Expedition
3 Explorers on Black Ice Bridge (2019)
aka Crossing the Black Ice Bridge
4 The Ocean Squid Explorers' Club (2020)
5 Explorers at Pirate Island (2021)
6 Explorers at Stardust City (2022)
2 Explorers on Witch Mountain (2018)
aka The Forbidden Expedition
3 Explorers on Black Ice Bridge (2019)
aka Crossing the Black Ice Bridge
4 The Ocean Squid Explorers' Club (2020)
5 Explorers at Pirate Island (2021)
6 Explorers at Stardust City (2022)
