Heather Alexander is the author of over 40 books for children, both fiction and non-fiction. Recent titles include Life On Earth: Human Body and Life on Earth: Farm (Wide-Eyed Editions), A Child’s Introduction to Art (Hachette) and Across the USA (Kane Miller/Ivy Kids).

Putri Febriana is an illustrator and graphic designer based in Jakarta. Her work is bright, detailed, and whimsical. She previously illustrated Math in 30 Seconds for Ivy Kids.