History Through the Ages CD Collection Author:Amy Pak Timelines are a wonderful way to see all of history at a glance! They help visualize the procession of time and how one events spurs on another. They also help you to see history by the slice - what was happening at various places in the world at the same time. Best of all, timelines inspire a love of learning about the people and events that ma... more »de a mark in the world, reinforcing that knowledge by taking part in putting the "puzzle" of history together. 2 CDs contain historical timeline figures in 2 formats - JPG and GIF.« less