Matt Parker on Twitter: "The USA edition of Humble Pi is out in paperback. And don't tell the UK edition paperback, but the USA version has a new afterword full of bonus
![Matt Parker 2 Books set Humble Pi, Things to Make and Do in the Fourth Dimension 9789123796755 | eBay Matt Parker 2 Books set Humble Pi, Things to Make and Do in the Fourth Dimension 9789123796755 | eBay](https://i.ebayimg.com/images/g/rfkAAOSwhV1czAre/s-l1600.jpg)
Matt Parker 2 Books set Humble Pi, Things to Make and Do in the Fourth Dimension 9789123796755 | eBay
![Humble Pi - Matt Parker's Comedy of Maths Errors : Norden Farm Centre for the Arts - Theatre in Maidenhead Humble Pi - Matt Parker's Comedy of Maths Errors : Norden Farm Centre for the Arts - Theatre in Maidenhead](https://norden.farm/system/events/images/000/003/419/standard/Matt_Parker_Humble_Pi_photo_cropped.jpg?1567000087)
Humble Pi - Matt Parker's Comedy of Maths Errors : Norden Farm Centre for the Arts - Theatre in Maidenhead
![Matt Parker on Twitter: "If you pre-order Humble Pi on @MathsGear now you'll get a signed first-edition hardcover copy. https://t.co/14HsrxvGMX https://t.co/jqkqJccGUB" / Twitter Matt Parker on Twitter: "If you pre-order Humble Pi on @MathsGear now you'll get a signed first-edition hardcover copy. https://t.co/14HsrxvGMX https://t.co/jqkqJccGUB" / Twitter](https://pbs.twimg.com/media/Dnn-du5XoAAsCVp.jpg)
Matt Parker on Twitter: "If you pre-order Humble Pi on @MathsGear now you'll get a signed first-edition hardcover copy. https://t.co/14HsrxvGMX https://t.co/jqkqJccGUB" / Twitter
![A highlight from Humble Pi: A Comedy of Maths Errors by Aloysius - “The European Spreadsheet Risks Intere...” A highlight from Humble Pi: A Comedy of Maths Errors by Aloysius - “The European Spreadsheet Risks Intere...”](https://i.gr-assets.com/images/S/compressed.photo.goodreads.com/books/1530970223i/40738746._UY630_SR1200,630_.jpg)