Title: Bell's breakthrough
Description: Abigail, Jacob, Zack, and Bo travel back in time to visit Alexander Graham Bell, and they urge him not to give up on his efforts to invent the telephone.
Subjects: Juvenile fiction, Fiction, Inventors, Telephone, History, Time travel, Children's fiction, Inventors, fiction, Telephone, fiction, Time travel, fiction, United states, fiction
Places: United States
People: Alexander Graham Bell (1847-1922)