Changes

[http://www.amazon.co.uk/The-Frood-Authorised-Official-Hitchhikers/dp/184809437X/ref=sr_1_1?ie=UTF8&qid=1412165739&sr=8-1&keywords=184809437X The Frood: The Authorised and Very Official History of Douglas Adams & The Hitchhiker's Guide to the Galaxy by Jem Roberts]<br>

[http://www.amazon.co.uk/The-Story-Jews-Finding-Words/dp/009954668X/ref=sr_1_1?ie=UTF8&qid=1412165792&sr=8-1&keywords=009954668X The Story of the Jews: Finding the Words (1000 BCE - 1492) by Simon Schama]<br>

[http://www.amazon.co.uk/Think-Like-Einstein-Daniel-Smith/dp/1782432159/ref=sr_1_1?ie=UTF8&qid=1412165890&sr=8-1&keywords=1782432159 How to Think Like Einstein by Daniel Smith]<br>

[http://www.amazon.co.uk/Professor-Stewarts-Casebook-Mathematical-Mysteries/dp/1846683475/ref=sr_1_1?ie=UTF8&qid=1412165938&sr=8-1&keywords=1846683475 Professor Stewart's Casebook of Mathematical Mysteries by Ian Stewart] <br>