Charles Spencer thrilled his social media followers with some great news at the weekend as the Earl took to Twitter on Sunday to reveal that he was 'delighted' by a personal achievement.Posting a photo of the Sunday Times bestseller list, the 57-year-old revealed that his non-fiction book The White Ship was at number seven.MORE: Charles Spencer returns to social media following daughter Kitty's weddingThe father-of-seven captioned the picture: "More than delighted to still be in the Sunday Times