Start with high-confidence theater stories books, then narrow by subgenre or adjacent topics.
Take It From the Top
Claire Swinarski
Eyes Like Stars
Lisa Mantchev
So Silver Bright
Drama: a Graphic Novel
Raina Telgemeier
HSMTMTS: Novelization, Season 1
Disney Books, Walt Disney Company
HSMTMTS: in the Spotlight: Nini and Ricky's Stories
Disney Books, Carin Davis
Everyone's a Critic
Paul Ruditis
The Roof Over Our Heads
Nicole Kronzer
Cut Loose! (the Chance to Fly #2)
Ali Stroker, Stacy Davidowitz
Better Nate Than Ever
Tim Federle
Fearless
Mandy Gonzalez
Setting the Stage
Lindsay Champion
Forsooth
Jimmy Matejek-Morris
