I Wonder Why Satellites Send Signals

I Wonder Why Satellites Send Signals : And Other Questions About Communication

  • Paperback

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Product details

  • 12-17
  • Paperback | 32 pages
  • 178 x 217mm
  • Pan MacMillan
  • Kingfisher Books Ltd
  • London, United Kingdom
  • full-colour artwork
  • 0753414090
  • 9780753414095