A prolific writer whose books span an age range from seven- to seventeen-year-olds, he is best known for his young adult novels.

[2] Moloney was born in Sydney[3] but grew up in Brisbane where he still lives today with his wife, Kate a retired teacher-librarian.

[4][6] His role as a Teacher Librarian sparked his interest in children's literature and eventually led to his early attempts at writing.

In 1998 he resigned from teaching[7] at Marist College Ashgrove and now writes full-time in a cabin in his backyard affectionately known by the family as 'Dad's Shed'.

[6]His themes in his novels for older readers include family, love, belonging, body image, rites of passage,[9] sexism, mateship/friendship, winning at all costs,[10] relationships, identity, disability and racial issues.