Mariana Llanos is a Peruvian-born writer of children's literature. Her books include Luca's Bridge, Eunice and Kate, Kutu the Tiny Inca Princess, and Poesia Alada. In 2017, she was selected as the Best Latino Artist by the Hispanic Arts Council of Oklahoma, where she resides. She is a member of the SCBWI and currently serves as the Inclusion and Diversity Chair for their Oklahoma Chapter. When she's not writing, she enjoys baking, spending time with her children, and visiting schools to ignite the love for reading.

Mariana Ruiz Johnson is an award-winning children's book illustrator and author. She likes to explore the narrative power of illustration and the relationship between images and words. Using vibrant palettes and different patterns and textures, she combines traditional techniques and digital media. Mariana lives in the outskirts of Buenos Aires, Argentina with her husband and two children.