Carol Vorderman is one of Britain's best-loved TV presenters and is renowned for her skills in mathematics. Carol has a degree in engineering from the University of Cambridge, and a keen interest in coding. She feels strongly that every child should have the chance to learn such a valuable skill. Whether co-hosting Channel 4's Countdown for 26 years, becoming the second-best-selling female non-fiction author of the noughties in the UK, or advising British Prime Minister David Cameron on mathematics education in British schools, Carol has a passion and devotion to explaining mathematics, science, and technology in an exciting and easily understandable way. DR JON WOODCOCK has a degree in physics from the University of Oxford and a PhD in computational astrophysics from the University of London. He started coding at the age of eight and has programmed all kinds of computers, from single-chip microcontrollers to world-class supercomputers. His many projects include giant space simulations, research in high-tech companies, and intelligent robots made from junk. Jon has a passion for science and technology education, giving talks on space and the running of computer programming clubs in schools. He has worked on many science and technology books and is the author of DK's Computer Coding for Kids, Computer Coding Games for Kids, and DK's series of coding workbooks.