Stephen King Audio Book Lot - Gwendy's Button Box, Colorado Kid, The Mars Room

Colorado Kid:
On an island off the coast of Maine, a man is found dead. There's no identification on the body. Only the dogged work of a pair of local newspaperman and a graduate student in forensics turns up any clues.
But that's just the beginning of the mystery. Because the more they learn about the man and the baffling circumstances of his death, the less they understand. Was it an impossible crime? Or something stranger still...?

Gwendy's Button Box:
The small town of Castle Rock, Maine has witnessed some very strange events and unusual visitors over the years, but there is one story that has never been told...until now.
There are three ways up to Castle View from the town of Castle Rock: Route 117, Pleasant Road, and the Suicide Stairs. Every day in the summer of 1974 twelve year old Gwendy Peterson has taken the stairs, which are held by strong (if time-rusted) iron bolts and zig-zag up the cliffside. At the top of the stairs, Gwendy catches her breath and listens to the shouts