- AudiolibroAfrican ElephantsRebecca E. Hirsch
- AudiolibroSiberian TigersRebecca E. Hirsch
- AudiolibroGrizzly BearsRebecca E. Hirsch
- AudiolibroMountain GorillasRebecca E. Hirsch
- AudiolibroPlatypusesRebecca E. Hirsch
- AudiolibroGray WolvesRebecca E. Hirsch
- AudiolibroHumpback WhalesRebecca E. Hirsch
- AudiolibroWhen Plants AttackRebecca E. Hirsch
- AudiolibroUsing Physical MapsRebecca E. Hirsch
- AudiolibroUsing Climate MapsRebecca E. Hirsch
- AudiolibroUsing Political MapsRebecca E. Hirsch
- AudiolibroLiving FossilsRebecca E. Hirsch