To celebrate Independent Bookstore Day on April 25, Ladybird Books (299 King St.) will host a full day of in-store activations from 10 a.m. to 6 p.m., inviting visitors to experience the space and its community firsthand. HART will pop up with charms and literary-character-inspired jewelry. Ashley Begley will be on-site with customizable hand-marbled, hand-calligraphed bookmarks. There will also be a hidden Golden Ticket, redeemable for 12 audiobook credits from Libro.fm, for one lucky customer to find.