• The best books about daring adventures with historical content
• The best books to inspire a love for mechanical engineering
• The best picture book biographies of women in STEM
• The best books about defying gravity and breaking out of the way we are taught to think
• The best recent picture books with a message
• The best books to inspire girls in STEM
• The best books about being lighter than air and above it all
• The best books for the eclectic reader of nonfiction
• The best children's books for budding inventors
• The best books on inventors
• The best books about the atomic bombings at Hiroshima and Nagasaki (from a B-52 crew member)
• The best books that tell exceptional stories of flight by aircraft and spaceships