Sign and front door of the Hackettstown Free Public Library.

Hackettstown Free Public Library

The Hackettstown Free Public Library enriches the lives of all members of our community by providing opportunities for learning and entertainment, cultural enrichment, access to information and the preservation of knowledge for future generations.

Library Spotlight

Prompt Engineering Basics for Everyday AI Users

Are you curious about using AI tools such as Claude, Microsoft Copilot, and ChatGPT for practical, everyday tasks?

If so, this is the class for you! Join Amanda and get more useful, reliable, and efficient results from AI by learning how to write clearer prompts, choose the right tool for common tasks, and review AI output responsibly.

No technical background required!

Mantis Man-ia 2026: Take Me 2 the River

Join your fellow cryptid fans by celebrating your local monster, the Mantis Man of the Musconetcong River. This second annual event will feature:

  • Mantis Man presentation with a message from special guests Karen and Blake from the podcast “MonsterTalk”
  • Live mantis demonstrations with ArachnoShowbia
  • Trivia
  • Tin foil hat-making station
  • Conspiracy theory contest
  • 3D printed adoptable cryptids
  • Food
  • Games
  • Stickers
  • Buttons
  • And more to come!

So much fun it’s scary…

Family Mental Health Game Day

Join NJ4S this summer for fun, interactive games and activities that promote mental wellness, kindness, respect, healthy friendships, teamwork, and positive family connections!

Bring the whole family for an afternoon of learning, laughter, and connection!

Activities include:

  • Board games
  • Memory games
  • Drawing/coloring
  • Group play

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Hackettstown Free Public Library Calendar

As the Summer Reading program comes to and end enjoy the crafts that the teens and tweens made throughout the summer!
Don't forget to submit your tickets to win our amazing prizes! 📚

#summerreadingchallenge2026 #unearthastory #local #library #hackettstown
🎫Our Summer Reading Program ends in 5 days! Submit your tickets to a prize before it’s over!!

#hackettstown #summerreading2026 #library #community
School season is around the corner. Join NJ4S, from Center for Family Services, this summer for fun, interactive activities that promote kindness, respect, healthy friendships, and bullying prevention! 

Register here: https://hackettstownlibrary.org/event/be-cool-no-summer-playground-bullying/
🪲“MantisMania: take me 2 the river” is coming back on September 19th!! 🏞️ Your favorite cryptid will be back with more weird adventures.✨ #takeme2theriver #mantismania #hackettstown #library #local
Our Chef Kevin 👨‍🍳, the kiwi, cordially invites you to join him for our “Dewey Dining Cookbook Club” 📚🍳 where we talk about our love of food and friends. Join us and bring a delicious plate from our August’s theme: “Fantasy” 🦄🧚🦸🧝‍♀️ See you soon. 🔜 #cookbookclub #hackettstown #library #local