For those who are interested in Astrophysics - here is a wonderful book on Venus Transit on Many indian languages by  "National Centre for Radio Astrophysics"

- http://mutha.ncra.tifr.res.in/ncra

Find the book here

Good book for Wiki Source. 

Thanks for Beluru Sudharshana from Mithramadhyama.com for pointing this out in the right time. 

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