| The Boxcar Children | (1942) |    |
| The Movie Star Mystery | (1948) | |
| Surprise Island | (1949) | |
| The Yellow House Mystery | (1952) | |
| Mystery Ranch | (1957) | |
| Mike's Mystery | (1960) | |
| Blue Bay Mystery | (1961) | |
| The Woodshed Mystery | (1962) | |
| The Lighthouse Mystery | (1962) | |
| Mountain Top Mystery | (1964) | |
| Schoolhouse Mystery | (1965) | |
| Caboose Mystery | (1966) | |
| Houseboat Mystery | (1967) | |
| Snowbound Mystery | (1968) | |
| Tree House Mystery | (1969) | |
| Bicycle Mystery | (1970) | |
| Mystery in the Sand | (1971) | |
| Mystery Behind the Wall | (1973) | |
| Bus Station Mystery | (1974) | |
| Benny Uncovers a Mystery | (1976) | |
| The Animal Shelter Mystery | (1991) | |
| The Haunted Cabin Mystery | (1991) | |
| The Deserted Library Mystery | (1991) | |
| The Old Motel Mystery | (1991) | |
| The Disappearing Friend Mystery | (1991) | |
| The Mystery Girl | (1992) | |
| The Mystery of the Singing Ghost | (1992) | |
| The Mystery of the Hidden Painting | (1992) | |
| The Amusement Park Mystery | (1992) | |
| The Mystery of the Mixed-Up Zoo | (1992) | |
| The Camp-Out Mystery | (1992) | |
| The Mystery Cruise | (1992) | |
| The Mystery in the Snow | (1992) | |
| The Castle Mystery | (1993) | |
| The Pizza Mystery | (1993) | |
| The Mystery Horse | (1993) | |
| The Mystery at the Dog Show | (1993) | |
| The Mystery of the Lost Village | (1993) | |
| The Canoe Trip Mystery | (1994) | |
| The Mystery of the Purple Pool | (1994) | |
| The Ghost Ship Mystery | (1994) | |
| The Mystery of the Hidden Beach | (1994) | |
| The Mystery of the Missing Cat | (1994) | |
| The Mystery on Stage | (1994) | |
| The Dinosaur Mystery | (1995) | |
| The Mystery of the Stolen Music | (1995) | |
| The Chocolate Sundae Mystery | (1995) | |
| The Mystery of the Hot Air Balloon | (1995) | |
| The Mystery Bookstore | (1995) | |
| The Mystery of the Stolen Boxcar | (1995) | |
| The Mystery in the Cave | (1995) | |
| The Mystery of the Lost Mine | (1996) | |
| The Mystery of the Secret Message | (1996) | |
| The Mystery on the Train | (1996) | |
| The Mystery of the Lost Mine | (1996) | |
| The Guide Dog Mystery | (1996) | |
| The Hurricane Mystery | (1996) | |
| The Mystery of the Secret Message | (1996) | |
| Boxcar Children Bookshelf | (1996) | |
| The Mystery in San Francisco | (1997) | |
| The Outer Space Mystery | (1997) | |
| The Mystery at the Alamo | (1997) | |
| The Firehouse Mystery | (1997) | |
| The Soccer Mystery | (1997) | |
| The Growling Bear Mystery | (1997) | |
| The Cereal Box Mystery | (1998) | |
| The Mystery at Peacock Hall | (1998) | |
| The Panther Mystery | (1998) | |
| The Black Pearl Mystery | (1998) | |
| The Mystery of the Lake Monster | (1998) | |
| The Mystery of the Stolen Sword | (1998) | |
| The Mystery in the Mall | (1999) | |
| The Basketball Mystery | (1999) | |
| The Gymnastics Mystery | (1999) | |
| The Mystery of the Pirate's Map | (1999) | |
| The Ghost Town Mystery | (1999) | |
| The Mystery of the Wild Ponies | (2000) | |
| The Mystery of the Empty Safe | (2000) | |
| The Mystery at the Crooked House | (2000) | |
| The Poison Frog Mystery | (2000) | |
| The Great Bicycle Race Mystery | (2000) | |
| The Mystery in the Computer Game | (2000) | |
| The Hockey Mystery | (2000) | |
| The Copycat Mystery | (2001) | |
| The Mystery of the Midnight Dog | (2001) | |
| The Summer Camp Mystery | (2001) | |
| The Haunted Clock Tower Mystery | (2001) | |
| The Disappearing Staircase Mystery | (2001) | |
| The Mystery of the Mummy's Curse | (2002) | |
| The Stuffed Bear Mystery | (2002) | |
| The Mystery of the Spider's Clue | (2002) | |
| The Mystery on Blizzard Mountain | (2002) | |
| The Mystery of the Star Ruby | (2002) | |
| The Mystery at Skeleton Point | (2002) | |
| Mystery of the Fortune Cookie | (2003) | |
| The Mystery in the Fortune Cookie | (2003) | |
| The Midnight Mystery | (2003) | |
| The Ice Cream Mystery | (2003) | |
| The Tattletale Mystery | (2003) | |
| The Comic Book Mystery | (2003) | |
| The Radio Mystery | (2003) | |
| The Clue In The Corn Maze | (2004) | |
| The Mystery Of The Haunted Boxcar | (2004) | |
| The Mystery of the Runaway Ghost | (2004) | |
| The Finders Keepers Mystery | (2004) | |
| The Ghost Of The Chattering Bones | (2005) | |
| The Sword of the Silver Knight | (2005) | |
| The Game Store Mystery | (2005) | |
| The Mystery of the Orphan Train | (2005) | |
| The Giant Yo-yo Mystery | (2006) | |
| The Creature in Ogopogo Lake | (2006) | |
| The Vanishing Passenger | (2006) | |
| The Rock 'n' Roll Mystery | (2006) | |
| The Secret of the Mask | (2007) | |
| The Ghost in the First Row | (2007) | |
| The Seattle Puzzle | (2007) | |
| The Box That Watch Found | (2007) | |
| The Great Detective Race | (2008) | |
| A Horse Named Dragon | (2008) | |
| The Ghost At The Drive-In Movie | (2008) | |
| The Mystery Of The Traveling Tomatoes | (2008) | |
| The Boxcar Children Mysteries Dog Lovers' Special | (2009) | |
| Superstar Watch | (2009) | |
| The Spy Game | (2009) | |
| The Dog-gone Mystery | (2009) | |
| The Vampire Mystery | (2009) | |
| The Spy in the Bleachers | (2010) | |
| The Amazing Mystery Show | (2010) | |
| The Pumpkin Head Mystery | (2010) | |
| The Cupcake Caper | (2010) | |
| The Clue in the Recycling Bin | (2011) | |
| The Zombie Project | (2011) | |
| The Mystery of the Soccer Snitch | (2014) | |
| The Legend of the Irish Castle | (2016) | |
| The Election Day Dilemma | (2016) | |
| Mystery at Camp Survival | (2020) | |
| The Skeleton Key Mystery | (2020) | |
| Trouble on the Wild West Express | (2020) | |
| The Code-Breaking Mystery | (2023) | |
| The Raptor Rescue | (2023) | |
