Songs of a Sourdough is a book of poetry published in 1907 by Robert W. Service. In the United States, the book was published under the title The Spell of the Yukon and Other Verses. The book is well known for its verse about the Klondike Gold Rush in the Yukon a decade earlier, particularly the long, humorous ballads, "The Shooting of Dan McGrew" and "The Cremation of Sam McGee." Songs of a Sourdough has sold more than three million copies.