Mia Wenjen is a writer, activist, and advocate for diversity in children's literature. She cofounded Multicultural Children's Book Day, a national nonprofit that promotes inclusive stories and broadens representation in classrooms and libraries. The author of several picture books and anthologies, Wenjen's work centers on celebrating cultural heritage, amplifying underrepresented voices, and inspiring young readers to see themselves in books. Postcards from Malcolm X reflects her passion for sharing untold histories and highlighting the power of cross-cultural friendships. She lives in the Boston area with her family. Keith Henry Brown is an illustrator, designer, and art director whose work celebrates the vibrancy of music, culture, and history. A lifelong jazz enthusiast, he has created artwork for jazz icons including Miles Davis, John Coltrane, and Sonny Rollins, and served as an art director for Jazz at Lincoln Center. Brown is also the illustrator of several acclaimed picture books, where his bold, expressive style brings important stories to life for young readers.

With Postcards from Malcolm X , he honors the legacy of friendship, resilience, and justice through powerful visual storytelling. He lives in Brooklyn, New York.