Good Question.
It’s a graphic novel by Dave Chisholm (Z2 Comics)
https://www.udiscovermusic.com/news/charlie-parker-bird-100-continues/
In particular:
“This fall, for ‘Bird 100’, Parker’s longtime label Verve Records, in conjunction with UMe, will offer an illuminating new perspective on a previously under-examined chapter of Parker’s life with a new collection titled Bird In LA, featuring unreleased songs recorded during Bird’s storied visits to Los Angeles in the mid ‘40s through the early ‘50s.”