Thea Stilton and the Ice Treasure (2008)

By Scholastic
Condition: Poor, but readable
Original Price: Rp 114,776 (Back of the book, converted to IDR)
 
The Thea Sisters travel to Alaska for a conference held by the Green Mice, an ecological association. While there, the Thea Sisters discover that someone is upsetting the ecosystem by blowing up the ice with explosives! Can the Thea Sisters stop the destruction and save the ice?