Six children help solve mysteries.

At head of title: Gertrude Chandler Warner's The Boxcar children.

Volume 1.The Boxcar Children / adapted by Shannon Eric Denton ; illustrated by Mike Dubisch -- Volume 2. Surprise Island / adapted by Rob M. Worley ; illustrated by Mike Dubisch -- Volume 3. The yellow house mystery / adapted by Rob M. Worley ; illustrated by Mike Dubisch -- Volume 4. Mystery Ranch / adapted by Christopher E. Long ; illustrated by Mike Dubisch -- Volume 5. Mike's mystery / adapted by Christopher E. Long ; illustrated by Mike Dubisch -- Volume 6. Blue Bay mystery / adapted by Rob M. Worley ; illustrates by Mark Bloodworth -- Volume 7. Snowbound mystery / adapted by Rob M. Worley ; illustrated by Mike Dubisch -- Volume 8. Tree house mystery / adapted by Christopher E. Long ; illustrated by Mark Bloodworth -- Volume 9. The haunted cabin mystery / adapted by Jeff Limke ; illustrated by Mark Bloodworth -- Volume 10. The amusement park mystery / adapted by Shannon Eric Denton ; illustrated by Mike Dubisch -- Volume 11. The pizza mystery / adapted by Rob M. Worley ; illustrated by Mike Dubisch -- Volume 12. The castle mystery / adapted by Shannon Eric Denton ; illustrated by Mike Dubisc -- Volume 13. The woodshed mystery / adapted by Joeming Dunn; illustrated by Ben Dunn -- Volume 15. MOuntain top mystery / adapted by Joeming Dunn; illustrated by Ben Dunn -- Volume 18. Mystery in the sand / adapted by Joeming Dunn; illustrated by Ben Dunn.