The jury selected the finalists from 24 collections submitted.
The Rising Stars will receive a mentorship, a series of career development and networking events, a two-week residency at the Banff Centre, and $5,000.
The winner will be announced on June 5 via the Leacock Medal’s Facebook and Twitter pages.
The kidlit veteran was recognized for “devoting her career to bringing new voices to picture books.”
Téa Mutonji took home the $1,000 Edmund White Award for Debut Fiction for her short-story collection Shut Up You’re Pretty.
This year’s shortlisted titles were chosen from 74 submissions.
Winners will be announced in late May on the Canadian Crime Writers of Canada’s website and social media channels.
To accommodate the changing publication calendar, the Giller will accept all entries before their final deadline of Aug. 14.
Canadian publishers have won the award’s North American category five of the last seven years.
The awards will be presented at an online ceremony on May 9.