Robert Papp

While vacationing at a friend's country home, the four Alden siblings try to find a long-missing, priceless brooch and investigate the existence of a ghostly stream.

When the Boxcar Children provide backstage help for the re-opening of an old dusty theater, they learn that the theater is rumored to have ghosts, disappearing props, and even a haunted seat.

The Aldens try to solve a series of mysteries which took place in a old hotel in Kansas which they visit.

It's a big week at Cogwheel Stadium--the Clayton Cogs are playing for the pennant! But the other team's batters seem to know the pitches too well, and it's clear someone in the stadium is stealing the Cogs' pitcher's signals. Now the Boxcar Children must find out who is spying for the other team!

When a dog training school opens in Greenfield, the Boxcar Children bring Watch in to learn some new tricks! But at the very first class, a Dalmatian goes missing — did the dog run away, or was he stolen? And when a second dog vanishes at the next class, it's clear that the Aldens have a dog-gone mystery to solve!

When their favorite author fails to arrive as scheduled to speak at the local library, the Alden children investigate how he could board a train and never be seen again.

The Aldens visit Grandfather's friend at the Ogopogo Retreat and aided by puzzling clues, embark on a treasure hunt to prevent the retreat from being sold.

The Boxcar Children investigate a mysterious ghost with a glowing pumpkin head at a friend's farm.

While spending two days touring a zoo to see the baby animals, the four Alden children, aged six to fourteen, help catch an escaped monkey, participate in a photography contest, and investigate a missing camera.

"One day in the park, the Aldens' dog, Watch, comes across a mysterious box with a note inside. 'Congratulations!' the note says. 'You've found it!' The box is part of a game called Geocaching. Soon, Henry, Jessie, Violet, and Benny are searching all over town for hidden boxes and making friends with other kids in the geocaching club. But is one of the club members a thief?" -- p. [4] of cover.