Hello? Am I invisible?

Life is hard for Hannah at the moment. At home, everyone's always arguing, and when she tries to talk to her friends, it feels like they're not really there for her.

But everything changes when she comes across an abandoned diary in the park. It belongs to a girl called Sami Star, and fun-loving Sami sounds just the sort of friend Hannah needs.

Little does Hannah know that Sami needs her too ...

Karen McCombie is the bestselling author of over 90 books for children and teenagers including the Carnegie Medal-nominated 'Little Bird Flies', 'How to be a Human', and series 'St Grizzle's School for Girls' and 'Indie Kidd'. Karen is also the author of the bestselling and much-loved series 'Ally's World'. Originally from Scotland, she now lives in London with her family who all give her inspiration for her books, whether they like it or not.
||
Katie Kear is a British illustrator who has been creating artwork for as long as she can remember. She graduated from the University of Gloucestershire with a First Class BA Hons Illustration Degree, and is currently completing her MA in illustration. She loves drawing, adventures in nature, chocolate, stationery and finding new inspirational artists.