To trigger badges for work created prior to the Badges launch in January 2018:
Laureate - Triggered the next time you publish (publicly or privately) a new Poem
Author - Triggered the next time you publish (publicly or privately) a new Picture Book.
Novelist - Triggered the next time you publish (publicly or privately) a new Chapter Book.
Challenger - These will be triggered upon entry to your next Challenge.
Hearts - Triggered on the Story the next time you receive a Heart on that story.
Reposts - Triggered on the Story the next time you receive a Repost on that story.
Reads - Triggered on the Story the next time you receive a Read on that story