Gertrude Chandler Warner

The Aldens, while testing the latest version of their favorite computer game, are surprised to find messages directed specifically at them.

When the Aldens take up the case to investigate if a catastrophic oil spill that affected hundreds of species could have been prevented, they are led on an adventure to help other endangered animals around the world.

The Aldens help out at a minor league stadium and investigate when it appears someone in the ballpark is stealing the home team pitcher's signals and relaying them to the batters of the other team.

Henry, Jessie, Violet, and Benny--four children who used to live alone in a boxcar and now reside with their grandfather--arrive at Camp Seagull overflowing with excitement, but they soon realize that some of the other campers are not above cheating in the annual camp Olympics.

Jessie and Benny are participating in the Great Greenfield Bake-Off, a local baking competition for kids. But ingredients get mixed up during the competition and then the power goes out. Is someone trying to put an end to the contest? Jessie and Benny are participating in the Great Greenfield Bake-Off, a local baking competition for kids. But ingredients get mixed up during the competition and then the power goes out. Is someone trying to put an end...

Henry, Jessie, Violet, and Benny chart a course for China to return the Reddimus Society's fourth artifact! Along the way they meet old friends and make new ones, but a thief threatens to ruin their trip. Then, after an unexpected stop in Thailand, they meet a suspicious man claiming to work for the Reddimus Society. The Aldens wonder if someone close to them is working for the other side. Who can the Boxcar Children trust to help them?

When the Alden children and their grandfather visit Everglades National Park in Florida to solve the mystery of a missing ranger, they discover that a panther provides a clue.

The Aldens are excited to learn about beekeeping, but when equipment goes missing, they have more than honey to harvest--they have a mystery to solve.

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.

While visiting the seaport town of Ragged Cove, Massachusetts, the Alden children find the ship's log of the Flying Cloud, shipwrecked in 1869, supposedly during a mutiny.