This is to say a heartfelt thank you to everyone who contributed their time and insight into helping me shape this book. To start with, three dedicated reviewers: Laurie Fuller, Wassil Kacha and Simon Rycroft. Their feedback and insight were critical to the book.

Thank you for my wonderful editor, Rebecca Youé. Her help was invaluable. And to the rest of the BCS team including Ian Borthwick and Charles Rumball, thank you for believing in this project and supporting me the entire way.

To the following people, I owe gratitude of thanks for taking the time to help me: Mark Button, Atul Chowdhry, Pierre Noel, Landon Buie, Nick Frost, John Fokker, Tom Robinson, Dr Greg Dzsinich, Sergey Kurshev, Natalia Lavrova, Daniel Nussbaumer, Rob Chepak, Deepak Kumar, Paolo Lombardi, Gianluca Mauro, James Brazier, Mark Chaplin, Andrew Wilson, Philip Ishola, Geoff Hudson-Searle, Darin Fisher, Amanda Finch, Jenny Radcliffe, Matt Mulford, Pierre Sanul, Roma Agrawal, Leesa Soulodre, Bert Lathrop, Daniel Smith, Geoff White, Lode Verdeyen, Steve Morgan, Helen Williams and James Tunkey.

Special thanks to Tim Levine, for taking the time to explain his Truth-Default Theory.

Finally, thank you to my family for supporting me throughout the journey to completing this book.