NPR: "Why the big tome now?" "The Simpsons" creator and executive producer Matt Groening: "On the show we dont take hiatuses. Were working year round and we never pause to go, 'Oh, wait, look what weve done so far.' The earlier episode guides, little small ones, are used by the people who work on the show, by the animators and the writers, to keep our history straight and to remind us of what weve already done. So now weve got this jumbo book thats going to be our guide for another 20 years."
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