- AudiolivroHarvestingRebecca Pettiford
- AudiolivroVegetablesRebecca Pettiford
- AudiolivroCompostingRebecca Pettiford
- AudiolivroTrainsNikole Brooks Bethea
- AudiolivroThe World's Biggest BirdsMari Schuh
- AudiolivroRoller CoastersRebecca Pettiford
- AudiolivroTornadoesCari Meister
- AudiolivroEarthquakesCari Meister
- AudiolivroPlantingRebecca Pettiford
- AudiolivroVolcanoesCari Meister
- AudiolivroSkyscrapersRebecca Pettiford
- AudiolivroTsunamisCari Meister
- AudiolivroBridgesRebecca Pettiford
- AudiolivroBlizzardsCari Meister
- AudiolivroRobots at HomeJenny Fretland VanVoorst
- AudiolivroDroughtsCari Meister
- AudiolivroDamsRebecca Pettiford
- AudiolivroFruitsRebecca Pettiford
- AudiolivroHeat WavesVanessa Black
- AudiolivroStadiumsRebecca Pettiford
- AudiolivroThe World's Biggest MammalsMari Schuh
- AudiolivroThe World's Biggest InsectsMari Schuh
- AudiolivroTunnelsRebecca Pettiford
- AudiolivroRobots in the FactoryJenny Fretland VanVoorst
- AudiolivroAvalanchesVanessa Black
- AudiolivroThe World's Biggest FishMari Schuh
- AudiolivroThe World's Biggest ReptilesMari Schuh
- AudiolivroThe World's Biggest AmphibiansMari Schuh
- AudiolivroHurricanesCari Meister
- AudiolivroRobots in SpaceJenny Fretland VanVoorst
- AudiolivroSinkholesVanessa Black
- AudiolivroLandslidesCari Meister