Mirabelle and the Enchanted Sea Globe

In book 15 of the Mirabelle series by Harriet Muncaster, Mirabelle and the Enchanted Sea Globe, Mirabelle and her family are on holiday, staying in a lovely cottage by the sea. There’s just one problem—they’re not meant to be using magic. Can Mirabelle manage a whole week without any magical mischief? Of course not! But perhaps she can use a teeny bit of magic to create a special sea creature? Just for one night .. .