EBOOK

Body Parts
Double-Jointedness, Hitchhiker's Thumb, and More
Buffy SilvermanSeries: Lightning Bolt Books ™ - What Traits Are in Your Genes?(0)
About
Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! Can you stretch your thumb back to your arm? Is your pinkie straight or slightly bent? What determines the way your joints bend-or don't bend? Read this book to find out about how your genes affect your physical features.