Henry Carter Hull

As Turtle rushes through town, in a hurry to see something "red, red, red," his neighbors wonder what it could be and hurry after him to find out.

When a child is too full of questions about the world to go to sleep, her patient father offers up increasingly creative responses to his child's nighttime wonderings.

Jack and Annie travel 500 years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness.

Ada Twist is a very curious girl who shows perseverance by asking questions and performing experiments to find things out and understand the world.