In an underground den on Mount Baldy, a family of trolls longs for a dog. When young Treva heads up the mountain with her skis--and her dog Tuffi--her troubles with trolls begin. Beautiful landscapes filled with snow-laden trees reveal the underground home of this mischievous troll family. Full colo...

In an underground den on Mount Baldy, a family of trolls longs for a dog. When young Treva heads up the mountain with her skis--and her dog Tuffi--her troubles with trolls begin. Beautiful landscapes filled with snow-laden trees reveal the underground home of this mischievous troll family. Full color.

Treva's trouble with trolls begins when she climbs Mount Baldy with her dog Tuffi. The trolls who live there long for a dog, and they try to kidnap him. But Treva is brave and quick-thinking. She outwits one troll after another until she reaches the very top of the mountain, where five trolls are waiting--and they want her dog From underground to mountain peak, Jan Brett's story is filled with adventure and eye-catching detail.