The Giant Yo Yo Mystery

The Aldens are helping one of Grandfather's friends break a world record by building the world's largest yo-yo! But someone follows them, and then the plans for the yo-yo turn up missing. Someone is trying to sabotage the yo-yo before it's launched!

Year

2006

Language

English

Publisher

Albert Whitman & Company

Editions

10

Pages

124

ISBN

9780807508787

Data source: Wikidata