- Colouring for Adults: Colouring Therapy for Stress Relief
- Adult Colouring Book - Volume 6: 50 Original Mandalas for Colouring Enjoyment
- Adult Colouring Book - Volume 7: Original Mandalas for Colouring Therapy
- Adult Colouring Book - Volume 1
- Adult Colouring Book - Volume 5: 50 Original Mandalas for Colouring Therapy (Adult Colouring Books)