This Ranger in Time Books Set includes 12 Books: 1. Rescue on the Oregon Trail 9780545639149 2. Danger in Ancient Rome 9780545639170 3. Long Road to Freedom 9780545639200 4. Race to the South Pole 9780545639255 5. Journey through Ash and Smoke 9780545909785 6. Escape From the Great Earthquake 9780545909839 7. D-Day: Battle on the Beach 9781338133905 8. Hurricane Katrina Rescue 9781338133950 9. Disaster on the Titanic 9781338133981 10. Ranger in Time: Night of Soldiers and Spies 9781338134018 11. Escape From The Twin Towers 9781338537949 12. Attack on Pearl Harbor 9781338537963