How to be a confident teenage witch

For her 16th birthday, Aveline receives a new diary from her cousin James. She decides to carry it with her incognito, only her disguising charm didn't quite work and now it looks like she carries a self-help book - "How to be a confident teenage witch" - everywhere she goes. Things get worse when her crush - the clever, sporty and ever so unflappable Regulus Black - sees.