LIFE with a teenage boy on the autism spectrum has its challenges. Sam (14) is a world authority on Harry Potter but can't get to the corner store on his own. The Weekender and Allen & Unwin have three copies of Sam's Best Shot to give away. Send your name, address and phone number to Sam's Best Shot Giveaway, Locked Bag 2, Northbridge WA 6865 or email email@example.com. Go to www.communitynews.com.au/terms-and-conditions.