The Tinyville Town preschool series stacks up in a whole new way with the addition of the fourth volume, I’m a Librarian—the latest board book to feature one of the many diverse residents of the charming town. In I’m a Librarian, readers get to know the town librarian as he helps a little boy find a favorite book. As the search progresses, fans of the series will recognize many other residents of Tinyville Town also visiting the library.     From New York Times bestselling author and illustrator Brian Biggs, the Tinyville Town series launched in 2016 with three books: Tinyville Town Gets to Work!, a world-establishing picture book that introduces the town and its many residents, and two board books: I’m a Veterinarian and I’m a Firefighter. With a nod to the busy world of Richard Scarry and the neighborhood feel of Sesame Street, this new series is becoming a favorite among preschoolers and a staple of preschool classroom libraries. Set in a cozy community of kind, friendly people, the Tinyville Town books are ideal for story time and class discussions about occupations and community helpers.