Marieke Nijkamp (she/they) is the author of the Splinter & Ash trilogy; Ink Girls, a middle grade graphic novel illustrated by Sylvia Bi, and its companion Clock Hands; and several books for young adults, which include #1 New York Times bestsellers, a critically acclaimed anthology, graphic novels, and comics. She studied philosophy and medieval history, and when she isn't writing, she loves to garden, roll dice, and daydream. Marieke Nijkamp lives and writes in Small Town, the Netherlands.Sylvia Bi is the illustrator of the graphic novel Ink Girls, written by Marieke Nijkamp, and loves drawing stories with expansive, vibrant worlds, an undercurrent of chaos, and girls running on rooftops. A graduate of Rhode Island School of Design, she explores and shares diverse stories and experiences through the power of a (digital) pen. She is also a book designer, a frog enthusiast, and an avid earring collector. Sylvia Bi lives in Brooklyn, New York.