Showing results by author "Gertrude Warner" in All Categories

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!

Henry and Jessie have signed up to be in a robotics competition with a team from school. But someone from another team isn’t playing by the rules. Can the Aldens use their sleuthing skills and what they’ve learned about technology to find the culprit and save the day?

Three complete stories in one collection! Includes The Black Pearl Mystery, The Cereal Box Mystery, and The Panther Mystery.

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?

Three complete stories in one collection! Includes The Disappearing Staircase Mystery, The Mystery on Blizzard Mountain, and The Mystery of the Spider's Clue.

Three complete stories in one collection! Includes The Mystery of the Stolen Sword, The Basketball Mystery, and The Movie Star Mystery.

Three complete stories in one collection! Includes The Canoe Trip Mystery, The Mystery of the Hidden Beach, and The Mystery of the Missing Cat.

Three complete stories in one collection! Includes The Vanishing Passenger, The Giant Yo-Yo Mystery, and The Creature in Ogopogo Lake!

The Aldens’ favorite hockey star, Kevin Reynolds, is coaching a girls’ hockey team and build a new skating rink right in Greenfield. But when team practices begin, equipment is missing and Kevin’s plans for the new rink are almost ruined. Is someone trying to stop Kevin?

Joe and Alice's new Greenfield home seems to be haunted by a singing ghost. When the Boxcar Children take on the task of fixing up the run-down house their cousins bought, stange things begin happen. Could the house really be haunted?

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?

The Boxcar Children know how much work it takes to live in the wilderness. They also know how much fun it can be! The children love exploring and learning new things at a primitive skills summer camp. But when strange things start happening around the camp, they need to use another of their favorite skills - mystery solving!

When the Boxcar Children help out in a local garden, they dig up one strange thing after another! First, the tomato plants seem to move every day. How can that be? Then the Aldens follow the clues to an unsolved bank robbery, and it's clear that a very big mystery is growing in Greenfield.

Three complete stories in one collection! Includes The Mystery of the Stolen Boxcar, The Mystery in the Cave, and The Mystery on the Train.

Three complete stories in one collection! This volume includes The Mystery of the Lost Mine, The Guide Dog Mystery, and The Hurricane Mystery.

Black cats? Broken mirrors? The number 13? The owner of the art deco apartment building in nearby Silver City believes in all kinds of superstitions. The Aldens aren’t so sure about most of them, but there’s one thing they do know: Something strange is going on on the 13th floor. Are they just coincidences, or is the building manager onto something?

Three complete stories in one collection! Includes Superstar Watch, The Spy in the Bleachers, and The Amazing Mystery Show.

The Aldens are in a community basketball league, and Buzz and Tipper Nettleton, Greenfield’s most famous basketball stars, are coaching their teams! But Tipper’s Most Valuable trophy is missing, and Buzz’s practice schedules get mixed up. Is somebody trying to foul up the community league?

The Boxcar Children love exploring the train, watching the beautiful scenery from the observation car, and eating in the dining car. But the train ride gets really interesting when they meet a young woman who has had something very valuable stolen from her.

Henry is learning to perform magic tricks from The Amazing Arthur and is excited to participate in Greenfield Magic Shop's annual magic show. But then The Amazing Arthur goes missing. Is his disappearance part of a new magic trick or a mystery?