Stella Zahlenspiel
Dazzling Spring of Kakuro 12 X 12 Round 3 : Medium Volume 23- Thankful Fall of Kakuro 16 X 16 Round 5 : Super Hard Volume 1
- Thankful Fall of Kakuro 16 X 16 Round 5 : Super Hard Volume 3
- Thankful Fall of Kakuro 16 X 16 Round 5 : Super Hard Volume 4
- Thankful Fall of Kakuro 16 X 16 Round 5 : Super Hard Volume 5