This Logic Puzzles book is packed with the following features: - 500 Binary Puzzle (10x10) from Easy to Hard. - Answers to every puzzle are provided. - Each puz
The only difference between a Super Spark Sudoku and a Spark is the size of the grid and the need to fill in the numbers 1 to 12 instead of 1 to 8. But the othe
It's only logical--boost your brainpower with 150 logic puzzles for adults. It's time to give your mental muscles a real workout! Stuffed full of clever and cun
Arrow Word Puzzles Welcome to this fantastic collection of arrow word puzzles, designed to truly test your knowledge and solving skills. Featured inside this bo