Lorenzo McLellan has acted as Maths Lead across different primary schools, supporting children from 3 to 11 years of age. He has gained a Professional Development Lead accreditation though the NCETM (National Centre for Excellence in the Teaching of Mathematics) and has delivered maths training to a range of practitioners - from trainee teachers to experienced staff. Natasha Rimmington graduated from the University of Lincoln in 2013 with a BA (Hons) in illustration and has been a freelance illustrator ever since. She has worked on many projects in both children's fiction and non-fiction including picture books. Natasha loves to draw animal characters, especially bears! She works from her studio at home in Scotland, overlooking the Ochil Hills.