by Mary N. Oluonye (Author)
Biography of the African American inventor of the traffic light.
Number of Pages: 68
Dimensions: 0.16 x 8 x 5 IN
Illustrated: Yes
Publication Date: March 31, 2008
Update your browser to view this website correctly. Update my browser now
by Mary N. Oluonye (Author)
Biography of the African American inventor of the traffic light.