Polyominoes: Puzzles, Patterns, Problems, and Packings - Solomon W. Golomb - Google Books

http://books.google.de/books?id=sbQj2dILLIsC&vq=octiamonds&dq=heptiamonds&source=gbs_navlinks_s

Inspiring popular video games like Tetris while contributing to the study of combinatorial geometry and tiling theory, polyominoes have continued to spark interest ever since their inventor, Solomon Golomb, introduced them to puzzle enthusiasts several…