Book review Like Cynthia D’Aprix Sweeney’s just-published “ Lake Effect ,” bestselling writer Tom Perrotta’s “Ghost Town” is about life in the suburbs in the 1970s. Sweeney’s book was set near Rochester, N.Y., but Perrotta’s is southeast of there in New Jersey. Both books deal with young people who are adrift, and both capture a time of rapidly changing mores and politics (on the other hand, is there such a thing as a time when things aren’t changing nonstop, anymore?). Perrotta has built up legions of fans with concept-forward, simple-to-encapsulate books such as “Election,” “Little Children,” “ Mrs. Fletcher ” and “The Leftovers” (the first two were made into movies, the latter two became HBO series). “Ghost Town” isn’t as easy to summarize and might not have what it takes for HBO because it’s about a concept, rather than a situation, and that concept is grief. High school student Jimmy Perrini is lost as the book opens.…