How does a light switch work Clear and simple words and pictures explain electricity.
  • ISBN10 006445097X
  • ISBN13 9780064450973
  • Publish Date 17 June 1992 (first published 4 April 1989)
  • Publish Status Active
  • Publish Country AU
  • Publisher HarperCollins Publishers (Australia) Pty Ltd
  • Imprint HarperCollins,Australia
  • Format Paperback
  • Pages 32
  • Language English