Learn Grease Pencil in Blender 3.X: A Guide to 2D Animation, Illustration, Storyboarding, and 3D Hybrid Pipelines using the Grease Pencil Tools : Baechler, Oscar: Amazon.in: Books
Explore Blender GreasePencil With This Free Character Rig - Lesterbanks
The Next Big Step: Grease Pencil 3.0 — Developer Blog