When I heard author Emma Straub was publishing a novel set on a four-day cruise featuring a fictional boy band from the 1990s, I immediately added it to my TBR pile. I’m not afraid to admit I was a New Kids on the Block fan back in the day (Joe McIntyre was “my” guy!). I read Straub’s novels, This Time Tomorrow and American Fantasy simultaneously, and they are completely different stories. But both were inspired by real life—This Time Tomorrow is a time travel tribute to the author’s relationship with her father, novelist Peter Straub, and American Fantasy reflects her experience going on a New Kids on the Block cruise a few years…