Information and Step-by-Step Instructions for Challenging Sudoku-by5 Logic Puzzles (Vol 1)

Group Puzzles (Sudoku Generalized) Challenging Sudoku-by5 Logic Puzzles, Volume 1.

Teaching Logic using Group Puzzles
- What Exactly are Group Puzzles?
- Naming New Group Puzzle Types
Solving Group Logic Puzzles
- Puzzle Difficultly Levels Explained
- Detailed instructions for working a type 'Sudoku-by5' group puzzle
Sixteen Challenging (DiffLev 15) Sudoku-by5 Puzzles (numbers 1-16)
Sixteen Challenging (DiffLev 16) Sudoku-by5 Puzzles (numbers 17-32)
Sixteen Challenging (DiffLev 17) Sudoku-by5 Puzzles (numbers 33-48)
Sixteen Challenging (DiffLev 18) Sudoku-by5 Puzzles (numbers 49-64)
Sixteen Challenging (DiffLev 19) Sudoku-by5 Puzzles (numbers 65-80)
Twenty Challenging (DiffLev 20) Sudoku-by5 Puzzles (numbers 81-100)