Book 2

A Good Hardy Alpha Sudoku Vol. 2

by Erin Hund

Published 17 December 2013

Book 3

A Good Hardy Alpha Sudoku Vol. 3

by Erin Hund

Published 19 December 2013

Book 4


Book 6


Book 7

A Good Hardy Alpha Sudoku Vol. 7

by Erin Hund

Published 20 February 2014

Book 8


Book 9


Book 11


Book 12

A Good Hardy Alpha Sudoku Vol. 12

by Erin Hund

Published 15 November 2014