The Book Of Pi: What is Pi, it's history and the number to 100,000 digits.: A concise handbook of Pi to 100,000 decimal places.

Have you been looking to learn and memorise pi to 100,000 digits? Or just looking for a gift for your friend?
Then this book of Pi is perfect for you!
This book contains information of how Pi is derived, where it is used in calculations and a short history on how it got to 34.1 trillion decimal places found!