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....

Like everyone else, twelve-year-old Cleo and her parents are sealed in an apartment without windows or doors. They never leave. They never get visitors. Their food is dropped off by drones. So they're safe. Safe from the disease that nearly wiped humans from the earth. Safe from everything. The trade-off? They're alone. Thus, when they receive a package clearly meant for someone else--a package containing a substance critical for a stranger's survival--Cleo...

Spring Break is full of possibilities...but not for Olive. This year, Olive is leaving her friends and all of their exciting vacation plans behind to visit her dad at his new apartment in the city. Goober is thrilled to spend a whole week with their father and has a long list of activities for their time together. Olive, on the other hand, still remembers the hurt of their dad moving halfway across the world. She would rather spend time with her friend...