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Volume I
- 100 - The 3n + 1 problem
- 101 - The Blocks Problem
- 102 - Ecological Bin Packing
- 103 - Stacking Boxes
- 104 - Arbitrage
- 105 - The Skyline Problem
- 106 - Fermat vs. Pythagoras
- 107 - The Cat in the Hat
- 108 - Maximum Sum
- 109 - SCUD Busters
- 110 - Meta-Loopless Sorts
- 111 - History Grading
- 112 - Tree Summing
- 113 - Power of Cryptography
- 114 - Simulation Wizardry
- 115 - Climbing Trees
- 116 - Unidirectional TSP
- 117 - The Postal Worker Rings Once
- 118 - Mutant Flatworld Explorers
- 119 - Greedy Gift Givers
- 120 - Stacks of Flapjacks
- 121 - Pipe Fitters
- 122 - Trees on the level
- 123 - Searching Quickly
- 124 - Following Orders
- 125 - Numbering Paths
- 126 - The Errant Physicist
- 127 - "Accordian" Patience
- 128 - Software CRC
- 129 - Krypton Factor
- 130 - Roman Roulette
- 131 - The Psychic Poker Player
- 132 - Bumpy Objects
- 133 - The Dole Queue
- 134 - Loglan-A Logical Language
- 135 - No Rectangles
- 136 - Ugly Numbers
- 137 - Polygons
- 138 - Street Numbers
- 139 - Telephone Tangles
- 140 - Bandwidth
- 141 - The Spot Game
- 142 - Mouse Clicks
- 143 - Orchard Trees
- 144 - Student Grants
- 145 - Gondwanaland Telecom
- 146 - ID Codes
- 147 - Dollars
- 148 - Anagram checker
- 151 - Power Crisis
- 152 - Tree's a Crowd
- 160 - Factors and Factorials
- 161 - Traffic Lights
- 188 - Perfect Hash
- 191 - Intersection
- 193 - Graph Coloring