Start with high-confidence motor sports books, then narrow by subgenre or adjacent topics.
Motorcycles!
Susan E. Goodman
Who Is Dale Earnhardt Jr.?
David Stabler
Monster Jam Official Guidebook
Kiel Phegley
Fly Guy Presents: Monster Trucks (scholastic Reader, Level 2)
Tedd Arnold
Race Day (national Geographic Kids Readers, Pre-reader)
Gail Tuchman
Stock Cars
Kate Riggs
