Lewis Latimer did not write the first book on electric lighting!

Latimer's book is this 1890 publication:

Incandescent electric lighting: a practical description of the Edison system.
Author: Latimer, Lewis Howard, 1848-1928.; Field, C. J.; Howell, John White
Publication: New York, D. Van Nostrand Co., 1890

There were plenty of books on electric lighting were published before that, among them the following:

BEFORE 1890