Coming off several weeks of international debate surrounding the Iranian nuclear accord, two experts explored the issue Thursday at a forum hosted by the Martha’s Vineyard Hebrew Center.

Junot Diaz will read and answer questions about his life and work on Thursday, July 30 at Noepe Center for Literary Arts.

On Monday, July 27, from 5:30 to 7 p.m. at the Martha’s Vineyard Hebrew Center there will be a celebration of the poetry of Peggy Freydberg.

The poet Billy Collins returns to Martha’s Vineyard on Tuesday, July 28, at Featherstone Center for the Arts.

Bob Mankoff is The New Yorker’s cartoon editor, and each week he evaluates thousands of cartoons. He is also the subject of the new documentary Very Semi-Serious, which screens Friday at the performing arts center. Mr. Mankoff, a cartoonist himself, will be on hand for a post-film discussion.

Tired of obstacles to mobility in the United States, Harvard Business School professor and seasonal Edgartown resident Rosabeth Moss Kanter decided to take matters into her own hands with her new book, Move: Putting America’s Infrastructure Back in the Lead.