- AudiolibroMagnet PowerBuffy Silverman
- AudiolibroOn a Flake-Flying DayBuffy Silverman
- AudiolibroCan an Old Dog Learn New Tricks?Buffy Silverman
- AudiolibroCan You Tell a Tyrannosaurus from an Allosaurus?Buffy Silverman
- AudiolibroCan You Tell a Triceratops from a Protoceratops?Buffy Silverman
- AudiolibroCan You Tell a Stegosaurus from an Ankylosaurus?Buffy Silverman
- AudiolibroCan You Tell a Giganotosaurus from a Spinosaurus?Buffy Silverman
- Audiolibro¿Sabes algo sobre aves? (Do You Know about Birds?)Buffy Silverman
- AudiolibroExploring Dangers in SpaceBuffy Silverman
- AudiolibroDo You Know about Birds?Buffy Silverman
- Audiolibro¿Sabes algo sobre mamíferos? (Do You Know about Mammals?)Buffy Silverman
- Audiolibro¿Sabes algo sobre peces? (Do You Know about Fish?)Buffy Silverman
- AudiolibroDo You Know about Fish?Buffy Silverman
- Audiolibro¿Sabes algo sobre anfibios? (Do You Know about Amphibians?)Buffy Silverman
- Audiolibro¿Sabes algo sobre reptiles? (Do You Know about Reptiles?)Buffy Silverman
- AudiolibroDo You Know about Amphibians?Buffy Silverman
- AudiolibroLet's Visit the DesertBuffy Silverman
- AudiolibroZap! It's Electricity!Buffy Silverman
- AudiolibroLet's Visit the Evergreen ForestBuffy Silverman
- AudiolibroDo You Know about Insects?Buffy Silverman
- AudiolibroCan You Tell a Velociraptor from a Deinonychus?Buffy Silverman
- AudiolibroLet's Visit the LakeBuffy Silverman
- AudiolibroLet's Visit the Rain ForestBuffy Silverman
- AudiolibroCan You Tell a Brachiosaurus from an Apatosaurus?Buffy Silverman
- AudiolibroDo You Know about Reptiles?Buffy Silverman
- AudiolibroMars MissionsBuffy Silverman
- AudiolibroDo You Know about Mammals?Buffy Silverman
- Audiolibro¿Sabes algo sobre insectos? (Do You Know about Insects?)Buffy Silverman