Symbol Sudoku Puzzles    by Ted Summerfield
Price: $1.99 USD. 410 words. Published on January 6, 2012. .
174 symbol sudoku puzzles from 2 previously published books. 60 pages of puzzles. Electronic, geometric, architectural, and mathematical symbols are just 4 of the 7 different types of symbols used. Printout the puzzles you want to solve, check your solution in your ebook. More challenging than regular sudoku. “I couldn’t put them down”. Convert to PDF if required; see my blog for details.