Medium Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 3: Fourteen Medium (DiffLev 5-6) Sudoku-7 Puzzles (numbers 1-14) 
 
-  Step-by-step instructions for solving  Puzzle 1, (30/49)   Diff: 5/9.7443
 -  Step-by-step instructions for solving  Puzzle 2, (31/49)   Diff: 5/7.6972
 -  Step-by-step instructions for solving  Puzzle 3, (32/49)   Diff: 5/9.9541
 -  Step-by-step instructions for solving  Puzzle 4, (33/49)   Diff: 5/9.7962
 -  Step-by-step instructions for solving  Puzzle 5, (29/49)   Diff: 6/95.6234
 -  Step-by-step instructions for solving  Puzzle 6, (31/49)   Diff: 6/94.6741
 -  Step-by-step instructions for solving  Puzzle 7, (31/49)   Diff: 6/76.4662
 -  Step-by-step instructions for solving  Puzzle 8, (33/49)   Diff: 6/98.4541
 -  Step-by-step instructions for solving  Puzzle 9, (33/49)   Diff: 6/86.5545
 -  Step-by-step instructions for solving  Puzzle 10, (33/49)   Diff: 6/79.6551
 -  Step-by-step instructions for solving  Puzzle 11, (35/49)   Diff: 6/89.8343
 -  Step-by-step instructions for solving  Puzzle 12, (35/49)   Diff: 6/57.6782
 -  Step-by-step instructions for solving  Puzzle 13, (35/49)   Diff: 6/57.6674
 -  Step-by-step instructions for solving  Puzzle 14, (38/49)   Diff: 6/56.7794