Stem Smackdown (Alternator Books (R) )

Who Invented the Light Bulb? by Susan E. Hamen

Who Invented the Light Bulb?

Stem Smackdown (Alternator Books (R) )

Susan E. Hamen

32 pages

nonfiction autobiography biography childrens history nature science technology informative lighthearted medium-paced
Who Invented the Radio? by Susan E. Hamen

Who Invented the Radio?

Stem Smackdown (Alternator Books (R) )

Susan E. Hamen

32 pages • paperback

nonfiction autobiography biography childrens history nature science technology medium-paced
Who Invented the Telephone?: Bell vs. Meucci by Susan E. Hamen

Who Invented the Telephone?: Bell vs. Meucci

Stem Smackdown (Alternator Books (R) )

Susan E. Hamen

32 pages • paperback

nonfiction autobiography biography childrens history nature science technology medium-paced