Showing Down the rabbit hole by Peter Abrahams

This is the first in a compelling detective series from Stephen King's "favourite American suspense novelist". When Ingrid accidentally leaves her favourite football sneakers at a murder scene, she is sucked into a mysterious case. It's all her fault that the police are on the wrong track, so Ingrid swears to hunt down Cracked-up Katie's killer herself. But Ingrid's life is full of distractions: Joey, the son of the local police chief; portraying Alice in the Prescott Players' new production; not failing maths...When the clues lead her to the new member of the theatre group, Vincent, she doesn't realize the danger until it's too late - and suddenly she's battling for her life, about to be pushed over the edge of Echo Falls...This book is a "New York Times" bestseller, this is the first in a three-part series about Ingrid Levin-Hill, junior detective.