- Lost in the Pacific, 1942Tod Olson
- Lost in Outer SpaceTod Olson
- Lost in the AmazonTod Olson
- Donner PartyTod Olson
- Lost in the AntarcticTod Olson
- In the Line of FireTod Olson
- Leopold IITod Olson
- Blue's Backyard MysteryTod Olson
- Into the CloudsTod Olson
- The Good FightTod Olson
- How to Get Rich in the California Gold RushTod Olson
- How to Get Rich on the Oregon TrailTod Olson
- Blue's Dinosaur Week CountdownTod Olson
- Lost by Tod Olson 4 Book Series PaperbackTod Olson
- How to Get Rich on a Texas Cattle DriveTod Olson
