Buffy Silverman
Pull It, Push It (My Science Library)
The Amazing Facts About Sound (My Science Library)
Magnet Power
Datos Asombrosos Acerca del Sonido
Can You Tell a Triceratops from a Protoceratops?
Can You Tell a Velociraptor from a Deinonychus?
Can you tell a triceratops from a protoceratops?
Can you tell a tyrannosaurus from an allosaurus?
Me and my shadow : a book about light
La energía a nuestro alrededor
Dale Un Tiron! Dale Un Empujon!
Vamos a investigar acerca de la luz
La energía a nuestro alrededor
Wetlands (Habitat Survival)
Can You Tell a Dolphin from a Porpoise?
Do You Know about Fish?
How Do Jets Work?
Can an Old Dog Learn New Tricks?: And Other Questions about Animals
Can You Tell a Tyrannosaurus from an Allosaurus?
Do You Know About Insects?
How Do Hot Air Balloons Work?
Mi sombra y yo: Un libro sobre la luz
How Do Jets Work?
Simple Machines: Forces in Action