6 Books Found

Based on your description:

"Book where two sisters are princesses. Their mom was secretly a witch, and the eldest daughter is too. On the night of her wedding, an attack is made on the prince she is supposed to marry. She and the prince run, ending up in a country where magic is common. The sister sends her a dead swan in a bucket, and she ends up being the bad guy. The cover is…"

Long description shortened for display.