The winners of the 2014 Arthur Ellis Awards...
The Children's/YA winner is:
Elizabeth MacLeod, for Bones Never Lie: How Forensics Helps Solve History’s Mysteries
The other shortlisted titles were:
Karen Autio, for Sabotage
Gail Gallant, for Apparition
Ted Staunton, for Who I’m Not (<--the cover on that one gives me the willies)
See the other category winners here, and the other shortlists here.