Classic Yes & Know Original Invisible Ink Trivia Game Books Return

Classic Yes & Know® Original Invisible Ink Trivia Game Books Return

Tree Town Toys is bringing back a beloved classic: the Yes & Know® Original Invisible Ink Trivia Game Books—the self-contained entertainment hit that’s been delighting kids (and plenty of adults) worldwide for nearly 50 years.

First launched in the 1970s, generations grew up with these magic-reveal pen and ink game books as backseat companions, travel treasures, and timeless boredom-busters.

After years away from store shelves, Yes & Know® is back and better than ever! The relaunch keeps the charm of the originals while adding all-new content for today’s curious minds—a perfect play and learn experience for ages 7-77. Using special Surprize Ink™ color technology, players color with their Yes & Know® pen to reveal answers, clues, and game progress—turning every play session into a vibrant, irresistible “aha!” moment.

About Tree Town Toys

Tree Town Toys is where creative and innovative new ideas meet classic play. Based in Ann Arbor, MI, we’re a place where inventors find their dream team, and other businesses get a boost from friends who’ve been there. It’s all about making cool stuff, lifting each other up, and having a lot of fun doing it. From launching new concepts to reviving beloved classics, Tree Town Toys sparks joy, curiosity, and connection for kids and kids-at-heart. www.treetowntoys.com

The first launch title lineup includes: Awesome Animals  •  Spectacular Sports  •  Super Space  •  Classic Games  •  Mystery  •  Mythical Creatures

The revival comes through a new partnership with Hinkler. Founded in 1994, Hinkler is a global, independent publisher and distributor based in Melbourne, Australia. “Hinkler is thrilled to be partnering with Tree Town Toys to bring Yes & Know back and share it with a new generation!” says Stephen Ungar of Hinkler. “We’ve known Doug and the team for many years, so with such a long-term relationship behind us, this collaboration feels truly special.”

Yes & Know® remains perfect for road trips, quiet afternoons, and anytime the thrill of the reveal calls. MSRP $9.99 US. All titles available now at treetowntoys.com. Yes and Know® books also now available at specialty retailers throughout the USA and Australia, and rolling out to a wider retail base in 2026.

“The magic of Yes & Know® never faded—it just needed the right moment to return,” said Doug Cass of Tree Town Toys. “With Hinkler’s partnership, we’re ready to share that joy with a whole new generation.”

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