Kathryn Haggis

Sworn enemies find themselves in each other's bodies, and use this to ruin each other's lives.

Twin witches who were separated at birth and were adopted by two different families meet on their 21st birthday and must use their powers to save the world in which they were born, where their birth mother still lives.

Life is good for Susan, her two children and new boyfriend Russell. But life abruptly changes when she discovers her perfect boyfriend is a drug dealer.