The Slippery Slope
The tenth book in the A Series of Unfortunate Events series.
Violet, Klaus, and Sunny Baudelaire are intelligent children. They are charming, and resourceful, and have pleasant facial features. Unfortunately, they are exceptionally unlucky.
In The Slippery Slope the siblings face a secret message, a toboggan, a deceitful trap, a swarm of snow gnats and a scheming villain...