Math's Infinite Mysteries Unfold In This Repackaged Edition Of The Bestselling The Math Book. This Reissue Includes Four New Entries: 2013 (bounded Gaps Between Primes), 2015 (erdo?s Discrepancy Problem Solved), 2016 (sphere Packing In Dimension 8), And 2023 (einstein Tiles And Beyond). It Also Features An Expanded Introduction And Updates Throughout The Book-- Provided By Publisher.