STEM fun for smart tots! Meet Mia, Ava, Oli, and Seb: they're the four engaging characters created by Harriet Blackford to introduce very young children to STEM concepts. This simple story, enhanced by Mike Henson's humorous illustrations and fun-to-do experiments, makes a fascinating subject come alive for preschoolers. Why is it light during the day and dark at night? Kids can find out, and learn all about how our Earth revolves round the sun. AGES: 2 to 5 AUTHOR: Harriet Blackford is a school science technician who earned her degree in Zoology from the University of London where she worked in the zoology department. She has written many nonfiction books for children, including Tiger's Story and Elephant's Story for Boxer Books. Mike Henson grew up in South Africa and went on to study Visual Communication. He has been working in children's publishing ever since he graduated. He now lives by the sea in Hampshire, England, with his wife and two children.