Their wary nature caused them to turn back Drizzt Do'Urden 's party in the novel , Streams of Silver .
Due to the Riders ' commitment to protect the city , they are very suspicious of outsiders .
Riders ' wary nature caused them to turn back Drizzt Do'Urden 's party in the novel , Streams of Silver .
Due to the Riders ' commitment to protect the city , they are very suspicious of outsiders .