Dan Green is the voice of Basher, the author of numerous Basher titles including Physics, Biology, Astronomy, Rocks and Minerals and Human Body. He has an MA in Natural Sciences from Cambridge University, where he specialised in geology. He's a journalist and science writer with a brilliant knack for science communication. Simon Basher is the creator and illustrator of more than a dozen internationally best-selling books for children including the critically acclaimed Basher Science series (Physics, Chemistry, Astronomy, Algebra & Geometry and more), the Go! Go! Bobo books and Basher's ABC. Based in London, Basher specialises in "graphic surrealism" and his original artwork is regularly exhibited and sold in the UK, Europe, USA and Asia.