Telephone technology is brought to life with photo-driven design, clear text, and an integrated timeline, making this an excellent resource on the history of landlines and cell phones for elementary students. Once upon a time, no one carried a phone around. Phones plugged into a wall and you could only move as far as the cord let you. And it basically stayed that way for 100 years! When we finally got cordless phones, you still had to stay in your...