In Part 5 of "GraphQL concepts I wish someone explained to me a year ago" we implement mutations on the client.<p>We'll use the operations exposed by the server to create authors, publishers and books as well as relationships between them.<p>I'll be releasing one part a day for the next week (in case you'd like some holiday travel reading). Here's what you can look forward to.<p>Part 6: Subscriptions (server implementation)<p>Part 7: Subscriptions (client implementation)<p>We’re on the home stretch now–are you enjoying the series so far?