Zorza Polarna by Philip Pullman

His Dark Materials Book 1

In a world where human souls manifest as animal companions called daemons, a young girl named Lyra embarks on a perilous journey to the Arctic North. Her quest is driven by the mysterious disappearance of children, including her friend Roger, and the enigmatic substance known as Dust. Alongside her daemon, Pantalaimon, and a host of allies including armored polar bears and a Texan aeronaut, Lyra uncovers a sinister plot that challenges the very fabric of her universe, leading her to confront powerful forces and uncover truths about her own destiny.