“Multiple books for sure,” Heisserer tells EW in an interview.
“We touch on a few others in Leigh’s catalog.
Fryklind teases that she’s nervous for Alina and Mal in season 2.

Mal (Archie Renaux) and Alina (Jessie Mei Li) hold hands in a scene from ‘Shadow and Bone’ season 2.Dávid Lukács/Netflix
The pair are on the run after faking Alina’s death.
“They’re certainly not in the same place as they were in season 1,” Heisserer remarks.
I, too, am worried for them.”

Crows gunslinger Jesper (Kit Young) meets with demolitions expert Wylan (Jack Wolfe) in ‘Shadow and Bone’ season 2.Dávid Lukács/Netflix
The couple’s main pressure is Kirigan, who survived the battle in the Fold.
“There’s a lot more for them to do.
Therefore, there are new facets to animate there,” Heisserer says of those terrors.
He says, “That is a beefy and robust story that requires its own lane.”
“We have a bigger ambition for it,” he mentions.
Their first step, Kaz says, is finding a Heartrender.
“I love that he is so good with chemicals and with music,” Heisserer says.
“And he is also so pure.
You wouldn’t expect some of these things to be within the same character, yet they do coexist.
He is highly observant of human behavior.
Expect Nina and Wylan to disrupt the dynamic among the Crows.
Heisserer and Fryklind acknowledge they are being intentionally vague on the subject.
Fryklind adds, “It’s harder than it seems.”