Contains an approximation for the value of the number known at "pi" -- using about 100 pages It's a goofy novelty book, and it should be noted that your phone number is probably listed somewhere inside The book contains all of your favorite digits from 0 to 9, including 4, 7 and 8 As a bonus, the fact that it covers only one topic means that no annoying index is needed. This and other books by the same author are available at ApplecreekBooks.weebly.com.