No Goodbye, which tells of the heartbreak of a young family when their mother leaves home, was recommended by Book Trust in their guide for One Parent Families. 1 on the Bestseller List and won the BISTO BOOK OF THE YEAR Award. Marita has written more books for children which were also very well received. It was also filmed by Young Irish Film Makers, in association with RTÉ and Channel 4. It has been made a supplementary curriculum reader in many schools and is also used by schools in Northern Ireland for EMU (Education through Mutual Understanding) projects. The book has been read on RTÉ Radio and is very popular in schools, both with teachers and pupils. It has been translated into over a dozen languages, including Arabic, Bahasa, French, Dutch, German, Swedish, Italian, Japanese and Irish. Published in May 1990, the book was an immediate success and become a classic. When she heard a radio report of an unmarked children's grave from the Famine period being found under a hawthorn tree, she decided to write her first book, Under the Hawthorn Tree. Marita was always fascinated by the Famine period in Irish history and read everything available on the subject. She has four children with her husband James, and they live in the Stillorgan area of Dublin. Born in Dublin in 1956 and brought up in Goatstown, Marita went to school at the Convent of the Sacred Heart, Mount Anville, later working in the family business, the bank, and a travel agency.

Under the hawthorn tree novel