Anna Claybourne has written over 150 children's books on all kinds of subjects, from sharks, black holes and splitting the atom to how to draw, Shakespeare's life, and Greek myths and legends. She knows a lot about conservation in the rain forests of Costa Rica as she once volunteered there for three months. She likes space, sewing and music, plays the trombone and loves going camping.

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• 1: What is the human body?2: Body cells3: The skeleton4: Muscles and movement5: Heart and blood6: Lungs and breathing7: The brain and nervous system8: Seeing and hearing9: Touch, taste and smell10: Skin, hair and nails11: Digestive system12: Healthy eating13: Health and illness

Anna Claybourne has written over 150 children's books on all kinds of subjects, from sharks, black holes and splitting the atom to how to draw, Shakespeare's life, and Greek myths and legends. She knows a lot about conservation in the rain forests of Costa Rica as she once volunteered there for three months. She likes space, sewing and music, plays the trombone and loves going camping.

Select Guide Rating

• 1: What is the human body?2: Body cells3: The skeleton4: Muscles and movement5: Heart and blood6: Lungs and breathing7: The brain and nervous system8: Seeing and hearing9: Touch, taste and smell10: Skin, hair and nails11: Digestive system12: Healthy eating13: Health and illness

Anna Claybourne has written over 150 children's books on all kinds of subjects, from sharks, black holes and splitting the atom to how to draw, Shakespeare's life, and Greek myths and legends. She knows a lot about conservation in the rain forests of Costa Rica as she once volunteered there for three months. She likes space, sewing and music, plays the trombone and loves going camping.

Select Guide Rating

• 1: What is the human body?2: Body cells3: The skeleton4: Muscles and movement5: Heart and blood6: Lungs and breathing7: The brain and nervous system8: Seeing and hearing9: Touch, taste and smell10: Skin, hair and nails11: Digestive system12: Healthy eating13: Health and illness