Collected Concentrix Logic Puzzles

Do you enjoy the challenge of solving puzzles like Sudoku but want something fresh?If so, this collection of Concentrix number-letter placement puzzles will put your skills to the test.

Collected Concentrix Logic Puzzles contains 200 brand new compelling logic puzzles. It holds hours of fun for the avid puzzle enthusiast!

Two varieties of puzzle are included:

Concentrix Box puzzles are solved on grids of eighty square cells

Concentrix Hex puzzles are solved on grids of sixty hexagonal cells

To solve a puzzle you need to fill in a grid with number-letter pairs using three logical rules. There is no math involved.

Every puzzle is guaranteed to have exactly one solution. Solutions to all puzzles are given at the back of the book.

Puzzles are graded and organized into five levels of difficulty, ranging from Apprentice through to Grandmaster.