Jim O’Heir has written the ultimate “Parks and Recreation” behind-the-scenes book — and he’s in Boston this week.

Jim O’Heir has almost 200 acting credits to his name, appearing on dozens of iconic TV shows like ER, Friends, and Better Call Saul. But as he reveals in this episode of The Last Laugh podcast, he almost turned down the role of Jerry Gergich on Parks and Recreation because his agents worried it was too small.

Parks and Recreation” actor Jim O’Heir speaks with NBC News about his new book “Pawnee,” which gives a behind-the-scenes look at the hit comedy television show that first aired in 2009. O’Heir talks about interviewing the show’s actors and writers and how he feels about his character “Jerry.