James Heneghan was born 1930 and brought up in Liverpool, England, and in Ireland, where his parents came from. He was a police officer in Liverpool for a couple of years but decided to leave England for Vancouver, British Columbia. After five years, he worked as a fingerprint specialist with the Vancouver Police but was fed up with staring at fingerprints and decided to become a teacher.

Anne Cassidy was born in London in 1952. She taught in London schools for 19 years before she became a full-time writer. She writes especially for teenagers, and her favourite genres are crime stories and thrillers. She has won many prizes for her work. Here are some of her characters: Jennifer Jones, aged 10, murders her friend. She is sent to a children's prison for 6 years, but what happens when she comes out again? Read 'Looking for JJ' (2004) to find out. A child is found abandoned by his mother - he is only one day old. The police want to find his mother.

Françoise Sagan (21 June 1935 - 24 September 2004) - real name Françoise Quoirez - was a French playwright, novelist, and screenwriter. Hailed as "a charming little monster" by François Mauriac on the front page of Le Figaro, Sagan was known for works with strong romantic themes involving wealthy and disillusioned bourgeois characters. Her best-known novel was her first - Bonjour Tristesse (1954) - which was written when she was a teenager