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i wonder why

Have you ever wondered what makes you laugh when someone tickles you? Or why do babies smile in sleep? How about a sphinx to answer these and many such queries. The book explores, with the sphinx, the scientific principles behind the day-to-day happenings
  • Author:Neeraja Raghavan
  • Illustrations:Subir Roy
  • No of Pages:88
  • Colour:Four-colour
  • Category:Information
  • ISBN:81-7011-937-5
  • Available also in:Hindi