Dave Williams

While rain falls for weeks, the Engler family invites friends over for an evening of dealing with cabin fever together. And when the spring sun arrives, the Englers celebrate by walking in a wooded park, where they encounter a red tree away from the trail. Guesses abound as to why the tree is red when none of the other trees are.

Life returns to normal for most of the Englers. The father, Calvin, decides the red tree was a sign for him to

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Of all the questions astronauts are asked by kids, the most frequent one is "How do you go to the toilet in space?" This book not only answers that question, but many others about the effect of zero gravity on the human body: How do you brush your hair in space? What happens when you sweat? What does food taste like? The best thing is that the answers are provided by Dr. Dave Williams, a NASA astronaut who speaks from first-hand experience.