Books by Gertrude Chandler Warner
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.
The Boxcar Children have been choosen to compete against another team to look for clues on a game show.
The Boxcar Children investigate a mysterious ghost with a glowing pumpkin head at a friend's farm.
When the Boxcar Children visit a neighbor’s house, a mysterious old wedding photo and a riddle lead them on a “spy game” devised long ago by the original owner of the house. When the children hunt for clues they discover amazing things, like a stone path whose pieces fit together into a jigsaw puzzle! But soon the children begin to suspect that there's a mystery inside the mystery. They read about a similar puzzle in one of their new Detective Club books, and they meet a woman who looks eerily like the bride in the old wedding photo. Just who is behind this spy game?
When the Aldens agree to watch the house of a local author who has written a book about a vampire, they end up investigating activities that are suspiciously similar to those in his book.
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 fun new treasure-hunting game.
The entire town is excited about the summer music festival. The largest attraction this year will be the popular Greenfield Four. The day before the show, The Greenfield Four arrive at the rehearsal hall to find all of their instruments missing!
The famous mystery writer, Gilbert Finch, is coming to Greenfield to speak at the library, and the Aldens can't wait to meet him. When they go with Grandfather to pick Finch up at the train station, he is nowhere to be found.
When a new store called the Game Spot opens in their town, the Aldens are thrilled. But it's not fun and games when the other stores at Crossroads mall are robbed. What's more, letters are disappearing from the sign in front of the shopping center!
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.
The Aldens visit an old Kansas inn that's full of secrets! Nobody knows why a famous photographer visited the inn just to take a single picture. And what about the other legendary guest—a heroic young stranger who'd come west on an "orphan train?"
