Advanced Logic, Calculus and Mathematical Word Search Puzzles: For Serious Problem-Solvers: Star Sudoku, Arrow Sudoku, and 10 Advanced Differential ... who enjoy complex, step-by-step reasoning.

Similar products

• 

  Extreme Sudoku Variants Challenge: Advanced Logic Puzzles for Serious Solvers

  From 13,17 EUR
• 

  Sudoku- Hard: Challenging Hard Sudoku – 100+ Expert-Level Puzzles for Serious Solvers (6×9”)

  From 7,99 EUR
• 

  Extreme Sudoku Variants: Spatial Logic Sudoku Variants: 300 Multi-Constraint Logic Puzzles for Serious Solvers (Extreme Sudoku Variants Challenge)

  From 13,42 EUR
• 

  Extreme Sudoku Variants: Tournament-Style Classic Sudoku: 300 Structured Extreme Puzzles for Serious Solvers (Extreme Sudoku Variants Challenge)

  From 13,42 EUR
• 

  Super Duper Sudoku Volume 3: Three Next Level Puzzles for Serious Sudoku Solvers (Super Duper Sudoku Puzzle Books)

  From 9,87 EUR
• 

  Sudoku Hard–Extreme for Adults: 400 Hard & Extreme Puzzles for Serious Solvers – Brain Training Logic Game with Full Solutions

  From 7,46 EUR