- AudiolivroPlant AdaptationsJulie K. Lundgren
- AudiolivroLonghouseCynthia Breslin Beres
- AudiolivroQuakers in Early AmericaMelinda Lilly
- AudiolivroThe Pony ExpressMelinda Lilly
- AudiolivroPeople of the Northwest & SubarcticLinda Thompson
- AudiolivroEarly ExplorersEllen Mitten
- AudiolivroThe Declaration of IndependenceMelinda Lilly
- AudiolivroFloating and SinkingAmy S. Hansen
- AudiolivroPeople of the Southeast WoodlandsLinda Thompson
- AudiolivroCloudsTed O'Hare
- AudiolivroLet's Classify Animals!Kelli L. Hicks
- AudiolivroWhat Is Hot? What Is Not?Luana K. Mitten
- AudiolivroOne Land, Many CulturesMaureen Picard Robins
- AudiolivroMagnet PowerBuffy Silverman
- AudiolivroButterfliesJason Cooper
- AudiolivroCreeping CrawlersTom Greve
- AudiolivroPatterns In NatureJennifer Gillis
- AudiolivroBuzzing BugsTom Greve
- AudiolivroMade Of MetalPatty Whitehouse
- AudiolivroElectricityCindy Devine Dalton
- AudiolivroOur Attribute WalkLuana K. Mitten
- AudiolivroHurray For PlantsJennifer Gillis
- AudiolivroPumpkin TimeLuana K. Mitten
- AudiolivroFlavors From PlantsJennifer Gillis
- AudiolivroLife Cycle Of A Monarch ButterflyJennifer Gillis
- AudiolivroForce & MotionCindy Devine Dalton
- AudiolivroWhat Are the US Regions?Maureen Picard Robins
- AudiolivroAtomsCindy Devine Dalton
- AudiolivroInsectsMarcia Freeman
- AudiolivroSoundJason Cooper
- AudiolivroAmerica Under AttackScott Marquette
- AudiolivroCaptain John smithTrish Kline
- AudiolivroSticky StuffLuana K. Mitten
- AudiolivroDirtLuana K. Mitten
- AudiolivroMix It Up! Solution or Mixture?Tracy N. Maurer
- AudiolivroFireLuana K. Mitten
- AudiolivroRespecting DiversityAnastasia Suen
- AudiolivroMoney Through the AgesJason Cooper
- AudiolivroA PulleyDavid Armentrout
- AudiolivroLewis and ClarkTrish Kline
- AudiolivroHistoric Sites & MonumentsDavid Armentrout
- AudiolivroMy Life as a Native AmericanAnn H. Matzke
- AudiolivroSeasons Of The Boreal Forest BiomeShirley Duke
- AudiolivroAn Inclined PlaneDavid Armentrout
- AudiolivroMagnetsJason Cooper
- AudiolivroA LeverDavid Armentrout
- AudiolivroA WheelDavid Armentrout
- AudiolivroA WedgeDavid Armentrout
- AudiolivroAround the World with MoneyJason Cooper