Mathematics of the Universe

Soledad Romero Mariño worked in advertising before following her passion for books and founding her own publishing house. She is the author of the Cycles of the Universe series and lives in Barcelona, Spain. Visit her website at soledadromero.tumblr.com or follow her on Instagram @soledadromeromarino. Renee Hao worked for many years as a graphic designer in the advertisingindustry, but in 2020 she decided to devote herself entirely toillustration. She was born in Wuhan, China, and was educated in Shanghai, where she currently resides. Follow her on Instagram @renee.hao.