The invention of the electric car is reshaping the global economy, its dependence on oil, and reducing the impact on climate.

Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 5x2 region with the numbers 1-10 once. The d

300 Killer Sudoku Puzzles Beginner-friendly Large puzzles Solutions included

When you buy this book you get an electronic version (PDF file) of the interior of this book. Killer Sudoku is a fun and addicting logic puzzle game that combin