Picross, Hanjie, Griddlers, Nonograms: 120+20! Puzzles (Hanjie Books)
Hardware Based Packet Classification for High Speed Internet Routers
Jigsaw Sudoku vol 3: 160 very twisted puzzles (Jigsaw Sudoku Books)
Survival Analysis: A Self-Learning Text, Third Edition (Statistics for Biology and Health)
Killer Samurai Sudoku 100 puzzles
Focal-Plane Sensor-Processor Chips
Asteroids and Dwarf Planets and How to Observe Them (Astronomers' Observing Guides)
The Way of Samurai 120 Samurai All new Sudoku puzzles (The Way of Samurai Sudoku Puzzles Books)