Alex Bell

Explorers on Witch Mountain

2018

The Polar Bear Explorers' Club

2017

La fabuleuse course des créatures magiques

2026

Le Club du Calmar Géant (Tome 3) - La Citée étoilée

2025

Escape from the Castle of Illusions

2025

Als je ze hoort

2024

Explorers on Witch Mountain : The Polar Bear Explorers' Club, Book 2 (The Polar Bear Explorers' Club)

2018

Explorers on Black Ice Bridge (The Polar Bear Explorers' Club)

2019

The Polar Bear Explorers' Club (The Polar Bear Explorers' Club)

2018

The Ocean Squid Explorers' Club : The Polar Bear Explorers' Club, Book 4 (The Polar Bear Explorers' Club)

2021

Insel der Hexen: Der Polarbären-Entdeckerclub 2

2019