Warner, Gertrude Chandler

The Aldens become involved in a community theater production of "The Wizard of Oz, " which is systematically and mysteriously being sabotaged.

The Aldens go to visit a guide dog school, but mysterious things start to happen.

Four orphans take shelter in an old boxcar during a storm, and, determined to make it their own, they turn it into a safe, cozy home.

While helping their grandfather prepare for Greenfield's Winter Festival, the Alden children uncover a mystery surrounding the statue in the town square.

The Boxcar Children decide to investigate when it begins to appear that the Blackwells, new neighbors who have decorated their front gate with spiders, have something to hide.

The Aldens are excited to be playing in their summer soccer league, until someone begins sabotaging the teams.

While helping out part time in a pet shop, the Alden children discover an employee who is smuggling and selling exotic animals.

When their grandfather arranges for them to spend two week at Sunny Oaks, the four Alden children enjoy settling into the routines of farm life but become suspicious about a mysterious horse locked in the stables.