Sudoku Puzzles by PennPress - paperback - 7.5 x 10.75- 290 pages - paperback - 2 puzzles per page - dated 2016 Easy- Medium & hard - first 10 puzzles are done.

Sudoku - spiral bound - hardback Travel Edition - 6 x 8.5 inches - 6 puzzles per page -360 puzzles - simple -medium & advanced  - dated 2006 - unused

Puzzle per Day Sudoku - tablet -  5.5 x 4.25 -  1 puzzle per page and pages are 2 sided - first 4 puzzles are  missing.- 1s Edition dated 2010

Pocket Sudoku - papeback  by Dell - 4.25 x 5.5 - volume 116 - 162 pages - 124 puzzles - 1 puzzle per page - Front Cover corner is bent - dated  2020

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