The first in a thrilling fantasy series for readers who love stories about animals, magic, and kids like them embracing their power to change the world.



Plum and her friends must spring into action to save an ancient island’s ecosystem in the second installment of this captivating fantasy series.



In the third installment of this compelling fantasy series, Plum and her friends travel to fancy, fashionable Nakhon City where secrets lurk under the glittering surface. 



Return to Lotus Island in the fourth installment of this immersive fantasy series where Plum is facing the most difficult test of her Guardian powers yet!




Christina Soontornvat

Christina Soontornvat is the author of the Newbery Honor books The Last Mapmaker, A Wish in the Dark, and All Thirteen, which also won the Kirkus Prize and a Sibert Honor distinction. She is also the author of Scholastic’s beloved fantasy series Diary of an Ice Princess and several picture books including To Change a Planet illustrated by Rahele Jomepour Bell, which received a starred review in Kirkus. Christina holds a B.S. in Mechanical Engineering and a master’s degree in Science Education. She spent a decade working in the science museum field, where she designed programs and exhibits to get kids excited about science and STEM. Christina lives in Austin, Texas, with her husband, two young children, and one old cat. You can learn more about her work at