Winners were announced on October 30 in Toronto.
The winner will be announced in Winnipeg on March 21.
Campbell won the prize for Arboreality, a speculative novella in stories that explores climate change and its possible outcomes.
The winners will be announced on November 8.
Spencer’s debut Weird Rules to Follow took home three of the Canadian Children’s Book Centre’s seven English-language awards.
The awarding of the 2022 winner of the $10,000 prize for nonfiction was delayed last year.
The winner of the $30,000 prize will be announced on Nov. 8.
The winners will be announced in Montreal on Nov. 13.