HOLLY STERLING was born in Dublin and grew up in southern England. She studied Illustration and Design at the University of Sunderland, and is currently studying for an MFA in Illustration at Edinburgh College of Art. She was Highly Commended for the Macmillan Illustration Prize in 2013, and winner of the Seven Stories/Frances Lincoln Illustration Competition in 2012. Holly also competes for her country in karate; she is a double National Champion and Gold and Bronze medallist from the WSKA World Championships. She lives near Sunderland. '15 Things Not to do with a Baby' was her first published picture book. Her second book, 'Hiccups!', will be published by Frances Lincoln in 2016.

MARGARET McALLISTER is and award-winning author who comes from the north-east of England. Before writing full-time she taught drama and dance, cleaned churches and worked in a retreat house. She is married to Tony and has three grown-up children. This is her first book for Frances Lincoln.