On Embedding a Graph in the Grid with the Maximum Number of Bends and Other Bad Features -- Close Encounters with a Black Hole or Explorations and Gatherings in Dangerous Graphs -- Fun with Sub-linear Time Algorithms -- Wooden Geometric Puzzles: Design and Hardness Proofs -- HIROIMONO Is NP-Complete -- Tablatures for Stringed Instruments and Generating Functions -- Knitting for Fun: A Recursive Sweater -- Pictures from Mongolia – Partial Sorting in a Partial World -- Efficient Algorithms for the Spoonerism Problem -- High Spies (or How to Win a Programming Contest) -- Robots and Demons (The Code of the Origins) -- The Traveling Beams Optical Solutions for Bounded NP-Complete Problems -- The Worst Page-Replacement Policy -- Die Another Day -- Approximating Rational Numbers by Fractions -- Cryptographic and Physical Zero-Knowledge Proof Systems for Solutions of Sudoku Puzzles -- Sorting the Slow Way: An Analysis of Perversely Awful Randomized Sorting Algorithms -- The Troubles of Interior Design–A Complexity Analysis of the Game Heyawake -- Drawing Borders Efficiently -- The Ferry Cover Problem -- Web Marshals Fighting Curly Link Farms -- Intruder Capture in Sierpi?ski Graphs -- On the Complexity of the Traffic Grooming Problem in Optical Networks.