What Is a Magnet? (How? What? Why?)de J.A. HoldernessMateriasMagnetismJuvenile literatureMagnetsExperimentsEdiciones (1)What Is a Magnet? (How? What? Why?) (2003)Franklin Watts Ltd · ISBN 9780749649715Más obras de J.A. HoldernessParent's Guide to Pre-School LearningCool!Cool!Cool!