The book, to be published on October 23, will be serialised in the Mail on Sunday's You magazine and will be sold through major booksellers priced £14.99.
It will contain recipes generated in-house, contributed by celebrity chefs and sent in by fans of the product.
The brand is also launching two variants for Christmas: a cherry bar and a hazelnut, almond and brazil nut bar. It will run Tube card ads through Fallon and an eight-week sampling campaign in supermarkets through Closer.
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