What do you buy someone for their 500th birthdav? Araminta is desperately trying to think of the perfect gift for her favourite ghost, Sir Horace, but it's hard to buy gifts for someone with no hobbies - and no body! Then she has the most brilliant idea.., but it lands her in such deep water, Araminta wonders whether she will ever see Horace or her family again - let alone have time to organise the party!