Author and journalist Marcelle Perks has written for a range of publications including the Guardian, British Horror Cinema, Fangoria and Kamera. She has also worked within the erotic world, in film and as a writer of short stories and non-fiction. Marcelle is the author of Incredible orgasms, Secrets of porn star sex and The user's guide to the Rabbit, and she co-wrote The little book of big Os, all available from Infinite Ideas.