Join us for a day of activities that celebrate reading, writers, books, art, music, technology, making, creativity, and most of all, our community.

Ribbon-Cutting Ceremony
10:30 a.m. at the Discovery Center
Library Executive Director Brett Bonfield, Mayor Liz Lempert and Princeton Public Library Board of Trustees President Kevin Royer hold a ribbon-cutting ceremony to officially open our new second floor.

Artist Jay McPhillips
11 a.m. to 3 p.m. in the Reading Room
Meet the artist whose paintings of scenes of Princeton are on display in the Reading Room gallery. McPhillips will have copies of his art book available for purchase and signing.

Author Michael Lemonick
11:30 a.m. in the Newsroom
The acclaimed science writer and Princeton resident discusses his new book, “The Perpetual Now: A Story of Amnesia, Memory and Love.” The book is the story of Lonnie Sue Johnson, a renowned artist and Princeton resident who was left amnesic after an illness and now lives in a present that rarely progresses beyond 10 to 15 minutes. Through the drama of Johnson’s everyday life, Lemonick provides a nuanced and intimate understanding of the science that lies at the heart of human nature. A book signing will follow the talk. Labyrinth Books will provide books for sale.

Whiplash Smartphone Film Challenge
11:30 a.m. to 6 p.m. in the Technology Center
Calling all budding filmmakers 25 and younger, working individually or in teams! Your mission: Write, shoot and edit a short film, two minutes or less, in just six hours. Meet in the Technology Center at 11:30 a.m. for a list of challenge guidelines and to receive tips for creating and editing your films using your phone and the library’s new iMac computers. At noon, we will reveal the secret element that you will be asked to incorporate into your film. Hint: it will be located on the new second floor. Films will be screened on Saturday, April 15, at 6:30 p.m. at the library, and a panel of judges will award prizes in consideration of technical skills, storytelling, creativity and originality of concept. First prize is $100.

Ask the Mac Pros
Noon in the Discovery Center
Members of the Princeton Macintosh Users Group answer questions about Apple devices during this two-hour session.

Author Ame Dyckman
1 p.m. at the Fireplace
Princeton  Children’s Book Festival favorite Dyckman leads a special family story time featuring a reading of her newly published book, “You Don’t Want a Unicorn.” A book signing will follow the reading. Books for sale will be provided by jaZams.

Author Hester Young
2 p.m. in the Newsroom
The author reads from “The Shimmering Road,” the second book of her Charlie Cates trilogy. The reading will be followed by a book signing. Labyrinth Books will provide books for sale.

Photographer Oleg Moiseyenko
3 p.m. in the Technology Center
The photographer whose works are on view in the Technology Center shows visitors the vintage (1950s and ‘60s) cameras he uses to create his photographs that often take many hours to set up and capture. He will also answer questions about traditional photography and darkroom techniques. A slide show of Moiseyenko’s work will also be on view.

Robotic Rockettes
3:30 p.m. in the Discovery Center
The all-female group of local middle school students that focuses on maker projects to promote STEM demonstrates their award-winning robot.

Princeton Trivia Contest
4 p.m. in the Newsroom
Join Mimi Omiencinski of Princeton Tour Company to test your knowledge of all things Princeton in this fun, interactive program for all ages.

Princeton High School A Cappella Group
5 p.m. at the Fireplace
Around Eight performs a mix of standards and popular music.