Children's Encyclopedia Inventions and Discoveries (Paperback or Softback)

Inventors & Inventions (Paperback or Softback)

Great Inventors and Their Inventions by Bachman, Frank P. Paperback / softback

Heredity and Other Inventions (Paperback or Softback)

Inventors and Inventions Bingo Book: Complete Bingo Game In A Book (Paperback or

American Inventions and Inventors (Paperback or Softback)

Inventors and Inventions. (Paperback or Softback)

My Inventions and Other Writings (Paperback or Softback)