Morgan was named an International Reading Association Children's Choice (2008) and won the United Kingdom Reading Association (now United Kingdom Literacy Assocation)'s 1995 Award. More recently she was shortlisted in the Birmingham Libraries Award, 2008 for Respect (Barrington Stoke) about the black First World War hero, Walter Tull and the Surrey Libraries Award 2009 for Night Flight.

She started her career with the Edward series of picture books in the mid-1980s, having previously worked as a teacher and run her own shop. She works with a wide variety of publishers, though some of her longest running titles have been the Cool Clive books with Oxford University Press.

Her latest titles include Happy Birthday Sausage and Never shake a rattle snake, illustrated by the award-winning artist Nick Sharratt.

Michaela Morgan lives in maintains homes in England and France.