The Giant Yo-yo Mystery
When the Aldens help a friend of their grandfather's to build the world's largest yo-yo, they soon discover that more than one person is trying to prevent them from finishing the job--and for more than one reason.
FIC
year: 2006
copies: 2
call number/section: FIC
lexile: 650
subjects: yo-yos, world records [X], brothers and sisters, orphans, boxcar children (fictitious characters), mystery and detective stories, boxcar children (fictional characters), siblings [X], mystery fiction, detective and mystery stories [X]