Jenny T Colgan has written 16 bestselling novels as Jenny Colgan, which have sold over 2.5 million copies worldwide, been translated into 25 languages, and won both the Melissa Nathan Award and Romantic Novel of the Year 2013. Aged 11, she won a national fan competition to meet the Doctor and was mistaken for a boy by Peter Davison.

Dorothy has two degrees, is a journalist and has written for numerous women's magazines and newspapers, including the Guardian, New Woman and Cosmopolitan.

Her first novel for Sphere, My Best Friend's Girl, was picked as a Richard & Judy Summer Read.

Jacqueline Rayner is the author of over 40 books and audio plays, including number one bestseller The Stone Rose, the highest-selling Doctor Who novel of all time, and two Doctor Who ‘Quick Reads’ for World Book Day.

She lives in Essex with her husband and twin sons and writes a regular column for Doctor Who Magazine about family life.

Susan Calman is a comedian, actor, presenter and writer. A regular on The News Quiz, Susan has written four series for BBC Radio 4 and her last tour, The Calman Before The Storm sold out nationally. In 2016 she published her memoir, Cheer Up Love: Adventures in Depression with the Crab of Hate. In 2017, she quickstepped into the nation's hearts as maybe the most joyful contestant ever on the BBC's Strictly Come Dancing. An advocate for LGBT and mental health issues, Susan lives in Glasgow with her wife Lee and their cats.