Gwendy novels

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. Then one day when Gwendy gets to the top of Castle View, after catching her breath and hearing the shouts of kids on the playground below, a stranger calls to her....

"When Gwendy Peterson was twelve, a mysterious stranger named Richard Farris gave her a mysterious box for safekeeping. It offered treats and vintage coins, but it was dangerous. Pushing any of its seven colored buttons promised death and destruction. Years later, the button box entered Gwendy's life again. A successful novelist and a rising political star, she was once again forced to deal with the temptation that box represented. Now, evil forces...