Medium Sudoku Six Logic Puzzles (Vol 1) 
 Chapter 3: Twelve Medium (DiffLev 5) Sudoku-Junior Puzzles (numbers 1-12) 
 
-  Step-by-step instructions for solving  Puzzle 1, (22/36)   Diff: 5/8.6422
 -  Step-by-step instructions for solving  Puzzle 2, (23/36)   Diff: 5/6.3392
 -  Step-by-step instructions for solving  Puzzle 3, (23/36)   Diff: 5/5.5562
 -  Step-by-step instructions for solving  Puzzle 4, (24/36)   Diff: 5/8.6532
 -  Step-by-step instructions for solving  Puzzle 5, (24/36)   Diff: 5/8.4462
 -  Step-by-step instructions for solving  Puzzle 6, (24/36)   Diff: 5/6.6732
 -  Step-by-step instructions for solving  Puzzle 7, (24/36)   Diff: 5/5.6751
 -  Step-by-step instructions for solving  Puzzle 8, (25/36)   Diff: 5/4.4872
 -  Step-by-step instructions for solving  Puzzle 9, (25/36)   Diff: 5/2.4892
 -  Step-by-step instructions for solving  Puzzle 10, (26/36)   Diff: 5/7.4924
 -  Step-by-step instructions for solving  Puzzle 11, (26/36)   Diff: 5/6.7742
 -  Step-by-step instructions for solving  Puzzle 12, (27/36)   Diff: 5/4.5684