This event is in the "Young Adult" group Cryptid Cache Challenge All Day 9/2 - 10/31 Online or App at Blue Island Public Library Program Type: Reading Challenge Age Group: Young Adult Find the cryptids hiding among the stacks and log books to win prizes. Register on Beanstack, visit the reference desk (free sticker!), or on the events calendar. Upcoming View Details Registration Required This event is in the "Young Adult" group Sep-Oct 2025 Cryptid Cache Challenge All Day 9/2–10/31 Reading Challenge Upcoming Library Branch: Blue Island Public Library Room: Online or App Age Group: Young Adult Program Type: Reading Challenge Registration Required Event Details: Find the cryptids hiding among the stacks and log books to win prizes. Register on Beanstack, visit the reference desk (free sticker!), or on the events calendar. Disclaimer(s) Photography and Video Policy Library Photography, Videos, and RecordingBlue Island Public Library may take photos, videos, and audio recordings at the library and during library events to use in its publicity materials and on its website and social media sites.