1. 

   SERENE SUDOKU：HUNDREDS OF SUDOKU PUZZLES TO HELP CALM YOUR MIND/C. GROSSBERGER OVERWORKED AND UNDERPUZZLED 【禮筑外文書店】

   439

   蝦皮商城

   
2. 

   SERENE SUDOKU：HUNDREDS OF SUDOKU PUZZLES TO HELP CALM YOUR MIND/C. GROSSBERGER OVERWORKED AND UNDERPUZZLED 【三民網路書店】

   439

   蝦皮商城