Stiles Secret Life

Book 1 of the series(Assassin in a Wolf Pack)

At a young age Stiles's family was no ordinary, well neither was he. In the Supernatural world you're always either in danger or a danger. On top of that your family works for a covert facility called "The Fireflies ". They are also known as the founder of the deadliest assassins known to supernatural. Stilinski were known as the deadliest assassins ever in the history of the facility. Everyone who knew them feared the name, but those were very few people. If you ever encountered them, none would ever live to tell the tale.
Stiles, as a kid, grew up trained to be the next best assassin, but after a mission leading to a death of a member, both father and son retire with massive fear of using their skills ever again.
Years later they come across the odd town of Beacon Hills, revealing a series of unexpected events. One of them being, Stiles getting himself into a pack.
Stiles' secret life is coming to a thin thread and at any moment could be cut loose, and all the dangerous people from his past might crawl back to haunt him and the people he loves.
Will he face the past, when his friends and pack are in terrible danger, or will he keep pretending to be the harmless human in the pack?
(Characters belong to Jeff Davis and MTV)