Did you know that rats are ticklish? Or that one-fourth of the bones in your body are in your feet? Or that President Thomas Jefferson introduced french fries to the United States? From creepy crawlies to ancient inventions, pumpkin-boat racing to the smallest bone in your body, our Weird-but-True Facts series offers all kinds of weird facts that are amazing, unexpected, gross, creepy, and astonishing--and all true! Additional features to aid comprehension include a table of contents, a phonetic glossary, sources for further research, an index, and an introduction to the author and illustrator.