| Fun Puzzles and Quick Thoughts | |
| Attack of the Amateurs | p. 2 |
| Why Don't We Use Roman Numerals Anymore? | p. 6 |
| In a Casino | p. 11 |
| The Ultimate Bible Code | p. 12 |
| How Much Blood? | p. 13 |
| Where Are the Ants? | p. 15 |
| Spidery Math | p. 16 |
| Lost in Hyperspace | p. 18 |
| Along Came a Spider | p. 19 |
| Numbers beyond Imagination | p. 20 |
| Cupid's Arrow | p. 22 |
| Poseidon Arrays | p. 23 |
| Scales of Justice | p. 24 |
| Mystery Squares | p. 26 |
| Quincunx | p. 27 |
| Jerusalem Overdrive | p. 33 |
| The Pipes of Papua | p. 34 |
| The Fractal Society | p. 38 |
| The Triangle Cycle | p. 41 |
| IQ-Block | p. 42 |
| Riffraff | p. 44 |
| Klingon Paths | p. 46 |
| Ouroboros Autophagy | p. 47 |
| Interview with a Number | p. 49 |
| The Dream-Worms of Atlantis | p. 50 |
| Satanic Cycles | p. 52 |
| Persistence | p. 54 |
| Hallucinogenic Highways | p. 55 |
| Quirky Questions, Lists, and Surveys | |
| Why Was the First Woman Mathematician Murdered? | p. 58 |
| What If We Receive Messages from the Stars? | p. 60 |
| A Ranking of the 5 Strangest Mathematicians Who Ever Lived | p. 63 |
| Einstein, Ramanujan, Hawking | p. 66 |
| A Ranking of the 8 Most Influential Female Mathematicians | p. 69 |
| A Ranking of the 5 Saddest Mathematical Scandals | p. 73 |
| The 10 Most Important Unsolved Mathematical Problems | p. 74 |
| A Ranking of the 10 Most Influential Mathematicians Who Ever Lived | p. 78 |
| What Is Godel's Mathematical Proof of the Existence of God? | p. 82 |
| A Ranking of the 10 Most Influential Mathematicians Alive Today | p. 84 |
| A Ranking of the 10 Most Interesting Numbers | p. 88 |
| The Unabomber's 10 Most Mathematical Technical Papers | p. 91 |
| The 10 Mathematical Formulas That Changed the Face of the World | p. 93 |
| The 10 Most Difficult-to-Understand Areas of Mathematics | p. 98 |
| The 10 Strangest Mathematical Titles Ever Published | p. 101 |
| The 15 Most Famous Transcendental Numbers | p. 103 |
| What Is Numerical Obsessive-Compulsive Disorder? | p. 106 |
| Who Is the Number King? | p. 109 |
| What 1 Question Would You Add? | p. 112 |
| Cube Maze | p. 113 |
| Fiendishly Difficult Digital Delights | |
| Hailstone Numbers | p. 116 |
| The Spring of Khosrow Carpet | p. 119 |
| The Omega Prism | p. 121 |
| The Incredible Hunt for Double Smoothly Undulating Integers | p. 123 |
| Alien Snow: A Tour of Checkerboard Worlds | p. 124 |
| Beauty, Symmetry, and Pascal's Triangle | p. 130 |
| Audioactive Decay | p. 134 |
| Dr. Googol's Prime Plaid | p. 138 |
| Saippuakauppias | p. 140 |
| Emordnilap Numbers | p. 142 |
| The Dudley Triangle | p. 144 |
| Mozart Numbers | p. 146 |
| Hyperspace Prisons | p. 147 |
| Triangular Numbers | p. 149 |
| Hexagonal Cats | p. 152 |
| The X-Files Number | p. 156 |
| A Low-Calorie Treat | p. 158 |
| The Hunt for Elusive Squarions | p. 161 |
| Katydid Sequences | p. 164 |
| Pentagonal Pie | p. 165 |
| An A? | p. 167 |
| Humble Bits | p. 171 |
| Mr. Fibonacci's Neighborhood | p. 173 |
| Apocalyptic Numbers | p. 176 |
| The Wonderful Emirp, 1,597 | p. 178 |
| The Big Brain of Brahmagupta | p. 180 |
| 1,001 Scheherazades | p. 182 |
| 73,939,133 | p. 184 |
| [characters not reproducible]-Numbers from Los Alamos | p. 185 |
| Creator Numbers [characters not reproducible] | p. 187 |
| Princeton Numbers | p. 189 |
| Parasite Numbers | p. 193 |
| Madonna's Number Sequence | p. 194 |
| Apocalyptic Powers | p. 195 |
| The Leviathan Number [characters not reproducible] | p. 196 |
| The Safford Number: 365,365,365,365,365,365 | p. 197 |
| The Aliens from Independence Day | p. 198 |
| One Decillion Cheerios | p. 201 |
| Undulation in Monaco | p. 202 |
| The Latest Gossip on Narcissistic Numbers | p. 204 |
| The abcdefghij Problem | p. 205 |
| Grenade Stacking | p. 206 |
| The 450-Pound Problem | p. 207 |
| The Hunt for Primes in Pi | p. 209 |
| Schizophrenic Numbers | p. 210 |
| Perfect, Amicable, and Sublime Numbers | p. 212 |
| Prime Cycles and [characters not reproducible] | p. 216 |
| Cards, Frogs, and Fractal Sequences | p. 217 |
| Fractal Checkers | p. 222 |
| Doughnut Loops | p. 224 |
| Everything You Wanted to Know about Triangles but Were Afraid to Ask | p. 226 |
| Cavern Genesis as a Self-Organizing System | p. 229 |
| Magic Squares, Tesseracts, and Other Oddities | p. 233 |
| Faberge Eggs Synthesis | p. 239 |
| Beauty and Gaussian Rational Numbers | p. 243 |
| A Brief History of Smith Numbers | p. 247 |
| Alien Ice Cream | p. 248 |
| The Peruvian Collection | |
| The Huascaran Box | p. 252 |
| The Intergalactic Zoo | p. 253 |
| The Lobsterman from Lima | p. 254 |
| The Incan Tablets | p. 255 |
| Chinchilla Overdrive | p. 257 |
| Peruvian Laser Battle | p. 258 |
| The Emerald Gambit | p. 259 |
| Wise Viracocha | p. 260 |
| Zoologic | p. 262 |
| Andromeda Incident | p. 263 |
| Yin or Yang | p. 265 |
| A Knotty Challenge at Tacna | p. 266 |
| An Incident at Chavin de Huantar | p. 267 |
| An Odd Symmetry | p. 268 |
| The Monolith at Madre de Dios | p. 270 |
| Amazon Dissection | p. 271 |
| 3 Weird Problems with 3 | p. 272 |
| Zen Archery | p. 275 |
| Treadmills and Gears | p. 276 |
| Anchovy Marriage Test | p. 278 |
| Further Exploring | p. 281 |
| Further Reading | p. 380 |
| About the Author | p. 391 |
| Index | p. 393 |
| Table of Contents provided by Syndetics. All Rights Reserved. |