The irascible A.J. Fikry, owner of Island Books, the only bookstore on Alice Island, has already lost his wife. Now, a rare book, has been stolen from right under his nose in the most embarrassing of circumstances. The store itself, it seems, will be next to go. One night upon closing, he discovers a toddler in his children's section with a note from her mother pinned to her Elmo doll: "I want Maya to grow up in a place with books and among people...

"Liesl Weiss has been (mostly) happy working in the rare books department of a large university, managing details and working behind the scenes to make the head of the department look good. But when her boss has a stroke and she's left to run things, she discovers that the library's most prized manuscript is missing. Liesl tries to sound the alarm and inform the police about the missing priceless book but is told repeatedly to keep quiet to keep the...