What We Talk About When We Talk About Love is a collection of short stories dealing with themes of love, both romantic and platonic, and communication. The stories present different relationships as frame devices to discuss how culture handles the idea of loving another human being. The tone of the stories varies significantly, with some handling grieving, loss, and jealousy while others explore healthy and beneficial relationships. The stories have been widely anthologized and adapted in film.
Boasting the largest collection of book summaries, BookRags is the best option for titles you can't find elsewhere. They offer all of the basics (quotes, chapter summary, characters, historical context, literary criticism) but also walk through a few major topics that recur throughout the book, which can be particularly useful for essay writing.
The most popular website for book notes. SparkNotes was created by students for students, and their summaries are accessible and extremely well-written. Besides the usual plot overview, chapter summaries, and character analysis, SparkNotes differentiates itself with a section discussing themes, motifs, and symbols.
If you're bored by traditional book notes, try Shmoop! They write their summaries in an approachable, entertaining style. Their comprehensive offering includes chapter by chapter summaries, themes, quotes, character analysis, study quizzes, and even flash cards and infographics.