Dr King says that an open, varied sex life is as pivotal to a healthy relationship as good communication skills.
This book aims to prove that monogamy does not mean monotony. It is written for those who are just about to embark on a serious love affair as well as those who are already in a long term relationship.
Read more: Hot Monogamy: how to achieve a more intimate relationship with your partner
Aimed at the over forties, this book gives plenty of hints and advice as to how couples can re ignite their sexual feelings and reconnect emotionally.
Read more: Making love better than ever: reaching new heights of passion and pleasure after 40
A hugely popular and still relevant book which illustrates, in a readable way, how and why differences create conflict between the sexes.
A DVD developed to provide a starting point for couples experiencing differing sex drives in their relationship.
Read more: Out of Sync: dealing with mismatched desire (DVD)
The author includes some useful ideas and solutions for how to make the best of your sexual relationship, whatever your libido level.
Read more: Perfectly normal: living and loving with low libido
This book seeks to find answers to this problem by acknowledging that there is usually more than one specific physical or psychological cause affecting loss of libido and it really isn't just about identifying one issue or another.
Read more: Reclaiming Desire: 4 keys to finding your lost libido
Another book exploring the factors that can affect your sex life when you have a new baby, some obvious and expected, but others not so.
This book is written for parents and contains advice and explanations about sexual topics which are sometimes difficult to address with children.
Read more: Sex in Simple words: explaining the tough sexual facts to your children