Invisible!

Now you see them, now you don't....

What would you do if you could become invisible? Creep around unseen? Listen in on other people's conversations?

Twins Carrie and Conrad, and their friends Peter and Charlotte, do all these things and much more when a new girl at school - Rosie - shows them her secret: how to make themselves invisible. It's exciting, and it's fun. It can also be frightening...and dangerous. Especially when Rosie's dad becomes a suspect in a local crime and the gang go invisible to find the real crooks....