The Giant Yo-Yo Mystery

The Alden children find themselves drawn into a thrilling adventure as they assist one of Grandfather's friends in an ambitious quest to break a world record. Their goal? To construct the largest yo-yo ever seen, which promises to be both a fun challenge and a chance to showcase their creativity.

As enthusiasm builds, unexpected twists and mysterious hurdles begin to unfold. The team soon realizes that there is more at stake than just a record—enigmatic occurrences hint at underlying secrets that threaten their progress.

With their trademark courage and teamwork, the Aldens delve into the heart of the mystery, determined to unravel the truth while keeping the spirit of the challenge alive. Readers are invited to join this dynamic group as they learn valuable lessons about friendship, perseverance, and the joy of curiosity.