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- Military amphibious vehicles, by Barbara Alpert
- Military robots, by Barbara Alpert
- How to make a box guitar, a 4D book, by Barbara Alpert
- How to make a wind speed meter, a 4D book, by Barbara Alpert
- How to make ice cream in a bag, a 4D book, by Barbara Alpert
- How to make a pom-pom flyer, a 4D book, by Barbara Alpert
- Small cars, by Barbara Alpert
- Military ships, by Barbara Alpert
- Fast cars, by Barbara Alpert