- eBookThe Arrival of the Electric CarChris Johnston
- eBookUnscrewedEd Sobey
- eBookThe Motorboat BookEd Sobey
- eBookA Field Guide to Household TechnologyEd Sobey
- eBookRobotics EngineeringEd Sobey
- eBookThe Way Toys WorkEd Sobey
- eBookA Field Guide to Roadside TechnologyEd Sobey
- eBookThe Way Kitchens WorkEd Sobey
- eBookA Field Guide to Office TechnologyEd Sobey
- eBookInventing ToysEd Sobey
- eBookThe Arrival of the Electric CarChris Johnston
- eBookElectrical EngineeringEd Sobey
- eBookShipwreck Treasures, Incan Gold, and Living on Ice - Celebrating 50 Years of AdventureEd Sobey