7 O' 7. It is a Time Machine. And two kids namely Sabu and Vivi travel to the past with the help of the Machine. They meet Charlie Chapin, Gregor Mendel, Lenin, Vivekananda and Albert Einstein. Also, they visit Pyramid construction site and Vedic Age in India. It is very interesting to read and there are lots of Informative and Educative ideas. The Time Travel alone is very interesting to read. In the Climax, Sabu (108 years) and Vivi (113 years) meet Sabu (8years) and Vivi (13 years) in the Surface of the SUN!!! A splendid Climax!!! This is a BOOK MUST for kids and Students. Also, the persons interested in SCIENCE can read this. Really to the core all will be attracted by the Theme of the BOOK and the NEW narrative style of the book. It is written in a simple English and the narration is with full of NOVEL and INNOVATIVE ideas. Both the CONTENT and FORM of the fiction is really interesting and totally attractive. When you read this Science-fiction you are lured in to the reading the book with full of enthusiasm. A book must for the kids! A book must for the Students!! A book must for the youth!!! Read it! Enjoy happy reading!! Wish you have a nice TIME!!! Travel with 7 O' 7… An adventurous TIME TRAVEL!!! NEVER MISS THE BEST!!!