The documentary Dear Mr. Watterson explores what makes Calvin & Hobbes so special, beloved, and influential, and why its creator was willing to take on newspapers and the comics industry not only to serve his creation, but comics in general.
Literature fans love "encounters" with living or dead authors. These might involve seeing novelists at book signings, listening to them give a talk, or visiting homes/museums connected with famous authors of the past.
Celebrity entertainers and politicians have no problem getting their memoirs published. So a book partly about celebrity entertainers and politicians should have had no problem getting published, right?