Rose, a budding writer, also details key moments from the lives of their adoptive parents, Aunt Lovey and Uncle Stash.

The girls are joined at the head (craniopagus twins), with Rose carrying her physically weaker and smaller sister on her right hip.

According to the description of the condition at the start of the book, the girls are estimated to share 100 veins as well as skull bones.

The book is set in the fictional small town of Leaford in Ontario, Canada, with the girls frequently travelling to nearby cities of Chatham, Windsor, and London.

[2] "With a huge heart at its core and not a false beat anywhere, The Girls is not just a sophisticated literary accomplishment but a darned good read," concluded Eva Tihanyi's review in the Toronto Star.