chapter 1 How Many Sweets in the Jar? -- chapter 2 Loose Change and Tight Packing -- chapter 3 Hard Problems with Hard Spheres -- chapter 4 Proof Positive? -- chapter 5 Disordered Packings -- chapter 6 Sands and Grains -- chapter 7 Divide and Conquer: Tiling Space -- chapter 8 Peas and Pips -- chapter 9 Enthusiastic Admiration: The Honeycomb -- chapter 10 A Search for Structure -- chapter 11 Toils and Troubles with Bubbles -- chapter 12 Bubbles in Beijing -- chapter 13 The Architecture of the World of Atoms -- chapter 14 Apollonius and Concrete -- chapter 15 Packings and Kisses in High Dimensions -- chapter 16 The Sweets in the Jar, the Pebbles on the Beach. -- chapter 17 The Giant’s Causeway -- chapter 18 Finite Packings and Tessellations, from Soccer to Sausages -- chapter 19 Odds and Ends.