Helen Plum Library

The Aldens investigate when the new coach of their community basketball league has her Most Valuable Player trophy stolen

When the Aldens go to the Pickering Natural History Museum to assist with the opening of a dinosaur exhibit, their work is hampered by a series of mysterious happenings

The Alden children have an adventure as they journey along with the Little North Railroad in two cabooses rented for the summer by their grandfather

When they help out at a guide dog training school, the Alden children meet several people who seem obsessed with a particular dog named Ginger

"During auditions for the show 'Pop Star Sensation' at the local mall, one of the judges, a famous pop star, disappears, and the Aldens must find out where she went"--

While on a camping trip with their grandfather, the Alden children try to find out about the loud music and missing food that threatens to scare away other campers

The Alden children hunt for their late grandmother's necklace that has been missing for years

The Boxcar children investigate the disappearance of a student's research paper from an observatory and the subsequent disappearance of another student

While visiting a friend of their grandfather's on Sullivan's Island, off the coast of South Carolina near Charleston, the Boxcar Children encounter mysterious activities related to rumors of a buried pirate treasure

Henry, Jessie, Violet, and Benny are on a train from Boston to San Francisco. Even though they used to live in a boxcar, this is the first time they've ridden a real, moving train. And they find a mystery to solve even before they leave the station. Is someone trying to steal a young woman's portfolio? Could it be the porter? Or is it the tall, bearded man who always wears sunglasses -- even at night? What's in the portfolio, anyway? Can the Boxcar...