A gorgeous series about magical princesses and best friends!Best friends Charlotte and Mia are training to become Secret Princesses, magical princesses with the power to make wishes come true! Isla's worried about her mum's art shop - if they don't start making more money it'll have to close down! Charlotte and Mia must use their magic to help, but mean Princess Poison has her own painting plan ... Have you read all four books in series four: The Sapphire Collection? Fashion Fun Brilliant Bake-off Gymnastics Glory Picture Perfect