Mary Brooke Casad is a Louisiana native and a resident of McKinney, Texas. She received a BA in journalism from Southern Methodist University and is the author of Pelican's Bluebonnet at Dinosaur Valley State Park, Bluebonnet at Johnson Space Center, Bluebonnet at the East Texas Oil Museum, Bluebonnet at the Marshall Train Depot, Bluebonnet at the State Fair of Texas, and Bluebonnet at the Texas State Capitol. Casad created Bluebonnet, the well-traveled armadillo, to teach Texas children about their rich local history.