B
ROWN BEAR BOOKS
This fascinating series lets young readers
discover the stories behind the great
inventions of our modern world—from
smartphones to spacecraft!
Other Titles in This Series:
I S BN 978-1-78121-483-1
9 7 8 1 7 8 1 2 1 4 8 3 1
Learn all about laptops
and other computers that people
used to do equations.
Computer Technology
