| # | Book Title | Author | |
|---|---|---|---|
| 1 | Mysterious Old Church | Wilson, Neil S. | |
| 2 | Smithsonian Connection | Lucas, Daryl | |
| 3 | Underground Railroad | Marcey, Sally | |
| 4 | Rain Forest Mystery | Steere, O'Ann | |
| 5 | Quarterback Sneak | Petersen, Randy | |
| 6 | Monumental Discovery | Oestreicher, Mark | |
| 7 | Abandoned Gold Mine | Souter, John C. | |
| 8 | Hazardous Homestead | Ball, Karen | |
| 9 | Tall Ship Shakedown | Wilson, Neil S. | |
| 10 | Class Project Showdown | Blanchette, Rick | |
| 11 | Silverlake Stranger | Marcey, Sally | |
| 12 | Counterfeit Collection | Wald, Ann | |
| 13 | Mountain Bike Mayhem | Proctor, R. P. | |
| 14 | Mayan Mystery | Keller, Kent | |
| 15 | Appalachian Ambush | Petersen, Randy | |
| 16 | Overnight Ordeal | Ball, Karen |