"Mirabelle and Meg Moffat are twins and their mum and dad are famous circus acrobats. Mirabelle is fearless. She promises to be the most topsy-turvy, upside down acrobat of all. Meg does not. In fact, Meg is afraid of heights. Is Mirabelle afraid of anything? With her new grand show opening, Meg might be about to find out."--Provided by publisher.

Katie Haworth is the author of several picture books. Originally from New Zealand, she now works as an editor in London.

Nila Aye describes her artwork as "retro modern with a cute twist. Stylish and sweet at the same time." She lives in the U.K.