“I just remember being delighted that the rejection letters addressed me as Mr. Twohy,” Mike Twohy once said in an interview. Now, however, the cartoonist has a lot more to be delighted about, having been published in the Saturday Review, TV Guide, Audubon, Esquire and ultimately inking a regular panel in the New Yorker. Hear him read from his latest children’s book on Thursday, Aug. 25, at River Reader. 16355 Main St., Guerneville. 3:30pm. 707.869.2240.