TY  - BOOK
AU  - Mattern, Joanne
TI  - How things work : : lightbulbs 
SN  - 9780531214565
PY  - 2016///
CY  - New York
PB  - Scholastic
N1  - 580L
N2  - This book introduces readers (Ages 6-7) to the simple science of the light bulb. And it explains how science has continued to improve upon the little glass bulb that so brightens our world
ER  -