Jenny and her friends don't only share a love of music - the four girls have discovered they have magical powers passed down from their ancestors, and only they can fight back against the evil forces threatening to destroy their community!It's almost time for the Hindu festival of Holi - a celebration of the coming of spring and the triumph of good over evil.There's going to be a big community event in Spellcroft, bringing everyone together to share the excitement.But what most people don't know is that an evil spirit - the Graydig - is imprisoned below their streets.As the Graydig's powers grow, it damages more friendships and family ties until even the Spellcasters' combined magical powers might not be enough to stop it.Worst of all, Ananya's ancestral wish magic is running out.Can Jenny and Ananya travel through time to get help from Ananya's magical ancestor and stop the Graydig before the Holi festival is ruined?Don't miss book 4 in this empowering magical adventure series, which will cast a spell over readers aged 7+!