This Practice Note provides a guide to payment structures and royalties in the publishing industry. It deals with: advances; how royalties are calculated on physical books; co-edition royalties; omnibus inclusion royalties; e-book royalties; and audiobook royalties. It also defines and discusses non-royalty income such as income coming from merchandising, anthology rights, serial rights, film and television options, fees for use of third party material, flat fees and ghost writer agreements. The most traditional way for an author of general consumer books to be remunerated is by advance payment from a publisher (an advance) and subsequent additional payments calculated as a percentage of the sale proceeds (a royalty or royalties). However, this is not necessarily the case in, for example, academic publishing or journals. Advances In essence, an advance is treated as a payment on account of future potential royalty earnings in return for a licence to publish a work. The exact amount of the advance will depend on many factors including the relative bargaining power of the parties, which itself will depend on factors such as whether