Mark Ovenden is a British writer and broadcaster. At the age of seven, he travelled alone ten miles on the London Underground, armed only with a map. He later gained entry to a Graphic Design course by submitting a reworking of the London tube map. His previous books are Transit Maps of the World, Great Railway Maps of the World, Metro Maps of the World, Paris Metro Style and London Underground by Design. He is a Fellow of the Royal Geographic Society.

Monisha Rajesh is a British journalist whose writing has appeared in Time magazine, the New York Times, the Guardian and the Sunday Telegraph, in which she wrote a column about her journey around the world.

Her first book Around India in 80 Trains (2012) was named one of the Independent 's best books on India. Born in Norfolk and mostly raised in Yorkshire with a brief stint in Madras she currently lives in London with her husband and daughter.

Sam Williams has created, written, and illustrated numerous titles for children, selling in many languages all over the world. His titles include Cold Little Duck, Duck, Duck by Lisa Westberg-Peters, The No-More series with Bernette Ford, Little Red by Sarah Ferguson, the Duchess of York, and Baby Cakes by Karma Wilson. His new series Noah's Park has just been published in the USA by Simon and Schuster.

Omar Musa is a Malaysian-Australian author, rapper and poet from Queanbeyan, Australia.

He is the former winner of the Australian Poetry Slam and the Indian Ocean Poetry Slam. He has released four hip hop records, three poetry books (including Parang and Millefiori), appeared on ABC's Q&A and received a standing ovation at TEDx Sydney at the Sydney Opera House.

His debut novel Here Come the Dogs was published by Penguin Australia in 2014 and was longlisted for the International Dublin Literary Award and Miles Franklin Award. Musa was named one of the Sydney Morning Herald’s Young Novelists of the Year in 2015.