Our maps were designed to supplement your study of history during the elementary grades. For your convenience, they have been broken down into four time periods. This way, you may purchase all of them at once as a Complete Set, or only the time period you are currently studying. Click here to browse the Table of Contents. The Modern World 1850 - The Present Covering the Crimean and Civil and World Wars to the recent attack on America. 27 maps with lesson plans included. All maps described above are regular notebook size (8.5 x 11), hole-punched and ready to label and color.