"The Aldens visit their old friends, the Piccolos, at their pizzeria. When they learn the restaurant isn't doing well, they offer to help. But the oven doesn't work, the electricity shuts off, and then someone hands out fake coupons! Who wants to shut down the Piccolos' Pizzeria?"--Back cover. When their favorite pizza restaurant almost goes out of business, the Alden children try to help their friends stay open while they find out who is behind...

"Henry, Jessie, Violet, and Benny are orphans looking for a place to live together as a family. Could a boxcar in the woods be their new home?"--Back cover.

Jessie and Henry's robotics team is competing in a big tournament. But when their robot is stolen, the Aldens have a high-tech mystery to decode!

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.

"Cousin Alice is running for mayor, and the Boxcar Children must find out which of her opponents is using sneaky tricks to win the race!"--Provided by publisher.

"The Aldens are spending spring break on a beach, but they aren't just soaking up the sun. They're protecting an endangered species! Their job is to mark sea turtle nests so the eggs can be moved to a safe place to hatch, but someone is digging up the eggs without permission. Can the Boxcar Children figure out what's going on and help save the sea turtles?"--Amazon.com

"In the town of Sleepy Hollow, the Aldens discover an old legend that's come back to life! Their friend's ghost-tour business is being disrupted by a spooky figure on horseback who throws pumpkins in the streets and frightens everyone. Has the headless horseman returned to haunt the town? The Boxcar Children must find out before the ghost tours are ruined!"--

The Mystery of the Secret Message: The Aldens are helping their grandfather organize Greenfield's Winter Festival. When the Boxcar Children get a roll of photos developed, they find a secret message hidden in one of them. They are baffled, and things become even more mysterious when they realize that someone is trying to ruin the Winter Festival by tearing down the ecorations and stealing a local statue! There must be a connection between the message...

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!

"The Boxcar Children are helping a friend find out more about their family's history. But what they find is a mystery going back generations! Can the Aldens help their friend unlock secrets of the past--and present?" --