Mo Willems Book Signing 2025. New york, ny, september 12, 2024 — on march 4, 2025, union square kids will release will the pigeon graduate?, the latest book featuring the pigeon, from worldwide bestselling and. Mo willems (born february 11, 1968) is an american children's books illustrator and writer.

Hidden pigeon company (hpc) is an exciting new multiplatform kids and family content company founded in early 2023 by celebrated children’s book author mo willems. Mo willems signing his books at the eric carle museum of picture book art bookshop!