Mr. Lemoncello's Fantabulous Finale

This final installment in the beloved puzzle series brings readers back to the world's most imaginative library for one last interactive adventure, challenging them to solve a cascade of riddles, codes, and brainteasers to determine the heir to Mr. Lemoncello's fantastical gaming empire. The stakes have never been higher as the series' signature blend of high-energy storytelling and reader participation reaches its peak, demanding sharp wits and clever deduction from anyone hoping to claim the ultimate prize. It’s a fittingly grand and engaging conclusion that fully immerses readers in the chaotic, wonderful world Grabenstein has built.

Fans who have grown up with Kyle Keeley and his friends will find a deeply satisfying payoff, as the narrative weaves together threads from the entire series while introducing a final, epic game that lives up to the "fantabulous" promise. The book truly excels at making the reader feel like a direct participant in the story, ensuring that the journey to the finale is as much your own puzzle to solve as it is the characters'. This is a masterclass in interactive middle-grade fiction, a clever and heartfelt sendoff that will leave longtime readers both triumphant and nostalgic.