FOUR best friends * ONE priceless necklace * And an actress with TWO personalities... For Lauren and her friends, living in a luxury London hotel definitely has its perks... Like getting to meet the glamorous Isabella Duval when the megastar checks into Mayfair Park's exclusive Ruby Suite. But it seems that there are two sides to their famous guest. Can the girls find out which is the real Isabella... and which is the act?

ONE top music executive * TWO poisoned slices of Mississippi Mud Pie * And FOUR budding detectives... There's another mystery to solve at Mayfair Park! Lauren and her three best friends can't believe their luck when top boy band, 4ever, arrive at Mayfair Park to shoot their new video. But the girls soon discover that there is a much darker side to the music biz - and there are some people who will stop at nothing to reach the top . . . Another fantastic story from this brilliant new writer.

Millionaires, models and mysteries! The third title in this sparkling new series for girls aged 8 and up . . . When a beautiful super-model arrives in town for London Fashion Week, Lauren and her friends think she's just another one of Mayfair Park's many stylish, wealthy guests. Charming. beautiful, seemingly enless clothes, shoes and celebrity parties - what more could any girl want? But there's more to the model than meets the eye and when she's arrested for things she swears she didn't do, the girls just have to investiagte. Is there a case of identity theft to solve . . . ?

For Lauren and her friends, living in a luxury London hotel definitely has its perks, like getting to meet the glamorous movie-star Isabella Duval. But it seems there are two sides to their famous guest and so the girls turn detective. Can they solve the mystery of which is the real Isabella and which is the act?