Anita Ganeri is an award-winning author of children's information books. She has been a writer for 20 years, after working in-house for Usborne Publishing and Walker Books. She specialises in the natural world, religion and mythology but is always looking for new challenges.

Among her many titles are the best-selling 'Horrible Geography' series for Scholastic Children's Books which won the Blue Peter Book Award for the Best Book with Facts in 2009 and the Tivy Education Medal from the Royal Scottish Geographical Society for an outstanding contribution to geographical education.

Anita lives in northern England with her husband, children, dogs and cat. She enjoys reading, walking the Moors, playing tennis and dreaming of winning Wimbledon.

Dr Ranj Singh is an NHS paediatrician and one of the resident doctors on ITV's This Morning. He also co-created the BAFTA-award-winning CBeebies series Get Well Soon, and co-presents ITV's prime-time Save Money Lose Weight. Ranj was a hugely popular contestant on 2018's Strictly Come Dancing. Off-air, his work can be found in numerous magazines and on websites where he gives expert opinion and advice on a range of physical and mental health matters.