'Humble Pi' - signed first-edition hardback - http://bit.ly/Humble_Pi Standup mathematician Matt Parker opens his heart to reveal... a standup comedian who loves mathematics. Matt Parker videos on Numberphile - https://www.youtube.com/playlist?list=PLt5AfwLFPxWKuRpivZd_ivR2EvEzKrDUu Matt's website - http://standupmaths.com/ The notorious Parker Square video - https://www.youtube.com/watch?v=aOT_bG-vWyg Parker Square T-Shirts via Numberphile on Teespring - https://teespring.com/stores/numberphile The Malls Balls - https://adelaidecityexplorer.com.au/items/show/104 With thanks to... MSRI - https://www.msri.org Meyer Sound - https://meyersound.com/ You can support Numberphile on Patreon - https://www.patreon.com/numberphile A note: Humble Pi will be released at different times in different countries, but you can get your signed copy ASAP pretty much ANYWHERE in the world via Maths Gear - http://bit.ly/Humble_Pi