http://archiveofourown.org/series/17100 Family Expectations Stiles bit instead of Scott.

http://archiveofourown.org/series/23941 The Matter with Werewolves

http://archiveofourown.org/works/470055/chapters/812851 This is the story of werewolf Derek Hale and human Stiles Stilinski: two people who grew up in the same town but completely different worlds, their realities split by the war between men and wolves. Years later when Derek returns to Beacon Hills, he does it as Alpha of a military pack on a mission to capture those responsible for the region’s resistance. With his main objective, Sheriff Stilinski, out of sight, he settles for the next best thing: his son, Stiles. Neither of them suspects they’ll need to trust each other if they want to make it out this alive.

http://archiveofourown.org/works/591094 California Werewolf in New York Sequel