The Stone Barrington series books are known for their engaging plots and charismatic characters. They often involve mystery and intrigue in a sophisticated setting.
Probably 'Strategic Moves'. It has a really engaging plot that involves international intrigue and Stone's typical style of handling tough situations. It's been widely read and loved by fans of the series.
Another good one is 'Dirt. In this book, Stone Barrington gets involved in some complex and exciting situations, with his usual charm and wit that makes the series so popular.
The first Stone Barrington novel is significant as it introduces the character Stone Barrington. It sets the foundation for his character traits, relationships, and the world he inhabits. It likely hooks readers into the series with an engaging plot and the allure of following Stone's adventures.