|cover=144401398X
|website=www.lizkessler.co.uk
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|summary=At first it's scary when Jessica starts to turn invisible, but as she learns to control her super-power she realises she can have a lot of fun. But there are people around – ruthless people – who'd like to use her ability for their own ends, and things suddenly get very dangerous.
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Despite the occasional danger and the threats from the villain, there's a feel-good aspect to this book which make it an easy, enjoyable read. Jessica finds she has more support than she imagined, and while this book has a definite conclusion, the way is left open for more stories about Jessica and her friends in the future.
Liz Kessler has written several successful books for girls aged about nine to twelve which contain magical or mysterious elements. Bookbag enjoyed [[Philippa Fisher and the Stone Fairy's Promise by Liz Kessler|Philippa Fisher and the Stone Fairy's Promise]], and her story about a girl who suddenly finds herself one year in the future, [[A Year Without Autumn by Liz Kessler|A Year Without Autumn]] was short-listed for the Blue Peter Awards. We also have a review of [[Haunt Me by Liz Kessler]].
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