Easy Sudoku Seven Logic Puzzles (Vol 1) 
 Chapter 13: Fourteen Easy (DiffLev 3) Sudoku-7C-2V Puzzles (numbers 137-150) 
 
-  Step-by-step instructions for solving  Puzzle 137, (25/49)   Diff: 3/992
 -  Step-by-step instructions for solving  Puzzle 138, (26/49)   Diff: 3/997
 -  Step-by-step instructions for solving  Puzzle 139, (27/49)   Diff: 3/995
 -  Step-by-step instructions for solving  Puzzle 140, (27/49)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 141, (27/49)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 142, (27/49)   Diff: 3/981
 -  Step-by-step instructions for solving  Puzzle 143, (28/49)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 144, (28/49)   Diff: 3/962
 -  Step-by-step instructions for solving  Puzzle 145, (29/49)   Diff: 3/993
 -  Step-by-step instructions for solving  Puzzle 146, (29/49)   Diff: 3/993
 -  Step-by-step instructions for solving  Puzzle 147, (29/49)   Diff: 3/993
 -  Step-by-step instructions for solving  Puzzle 148, (29/49)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 149, (29/49)   Diff: 3/991
 -  Step-by-step instructions for solving  Puzzle 150, (30/49)   Diff: 3/991