premiering Friday, April 15) is based on a book of short stories by Cecelia Ahern, and created by Carly Mensch and Liz Flahive’s (“GLOW”). Each standalone episode features a big name — Nicole Kidman, Issa Rae, Alison Brie, Cynthia Erivo — in various tales that range in genres from magical realism to psychological horror. The end result is a mixed bag of vignettes that don’t always feel cogent, but are never boring.The first episode, “The Woman Who Disappeared,” stars Rae as a woman who has written a hit memoir that’s become a book club staple.