Math Chess Sudoku Puzzles for Juniors: Frankho ChessDoku Autor Amanda Ho et al. 31 aug 2006 Paperback Preț: 171.94 lei 3-5 săpt.
Math Chess Sudoku Puzzles for Juniors Answers: Frankho ChessDoku Autor Amanda Ho et al. 31 aug 2006 Paperback Preț: 171.94 lei 3-5 săpt.
Mom! I Learn Subtraction Using Math-Chess-Puzzles Connection: Ho Math Chess Tutor Centre Autor Amanda Ho et al. 9 aug 2015 Paperback Preț: 272.07 lei 3-5 săpt.