- E-bookAmazon RainforestWilliam B. Rice
- E-bookEndangered Animals of the SeaWilliam B. Rice
- E-bookEndangered Animals of the JungleWilliam B. Rice
- E-bookAfrican GrasslandsWilliam B. Rice
- E-bookDeath Valley DesertWilliam B. Rice
- E-bookEndangered Animals of the DesertWilliam B. Rice
- E-bookBlast Off to Space CampWilliam B. Rice