Intriguing, fact-filled fiction imagines encounters with Abraham Lincoln as a boy and as the President. On their mission for Merlin, Jack and Annie are whisked back in time to Washington, DC, in 1861. They know they must meet Abraham Lincoln and receive a feather from him, but getting an appointment with the President isn't easy with the nation on the brink of war. When Jack and Annie try using a magic potion to help, they go back even further in time to a mysterious forest, where they meet an orphan named Sam. Can Sam help them find Abe Lincoln?