[3] In 2007, Annick Press published Cotter’s first non-fiction book for children: Kids Who Rule: The Remarkable Lives of Five Child Monarchs.
It tells the story of two lonely girls who become friends over their mutual fascination with ghosts, and explores themes of childhood neglect, mental illness, and death.
[9] It was one of ten finalists for the Canadian Library Association Book of the Year for Children Award in 2015, receiving an honourable mention.
[10][11] In 2017, Tundra Books published Cotter’s second novel, The Painting, which explores similar themes of ghosts, loss, and fractured family relationships.
Set in Newfoundland, it tells the story of two girls who must break a family curse, and centres around issues of domestic violence and intergenerational trauma.
Her first of these was The Ferryland Visitor: A Mysterious Tale, published in 2016 by Running the Goat Books & Broadsides, with artwork by acclaimed Newfoundland artist Gerald Squires.