Witches really are a horrid lot. Most of them would stick you with pins and plonk you in a pot as quick as look at you.

But Madam Millie wants children to like her. The trouble is, whenever she tries to do something right, it always goes terribly wrong.

You can help Millie mix the right ingredients in her magic cauldron by collecting the correct combinations of colours.

Detailed instructions on how to mix colours can be found in Millie's spell book at www.MadamMillie.com

This app, and the website, are precursors to the up-coming children's book Madam Millie and the Curse of the Sorceress. Sample chapters are available on the website.