Download or read book The Journey from the Abacus to the Smartphone | Children's Modern History written by Baby Professor and published by Speedy Publishing LLC. This book was released on 2017-02-15 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: If your child can learn about the world before the smartphones, it would lead to a better understanding of how technology has helped reshape the world. This educational book will give your child the window to the previous years. There’s a lot to learn from these pages. Go ahead and grab a copy of this book today.