Young children are naturally curious about themselves. Tell Me Why My Fingernails Grow offers answers to their most compelling questions about our nails and the protein keratin. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about animals. Tell Me Why Camels Have Humps offers answers to their most compelling questions about this desert-dwelling animal that stores fat in their humps. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about animals. Tell Me Why Giraffes Have Long Necks offers answers to their most compelling questions about this long-necked animal that uses its height to reach leaves at the very top of trees. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and...

Provides information on allergies describing how doctors can test for allergies, what happens if people have a reaction, and how to treat a reaction.

Young children are naturally curious about themselves. Tell Me Why I Get Hungry offers answers to their most compelling questions about their rumbling tummy. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

"Young children are naturally curious about the world around them. I See Falling Stars offers answers to their most compelling questions about meteors. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words."--

Young children are naturally curious about themselves. Tell Me Why I Throw Up offers answers to their most compelling questions about their rumbling tummy. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about the world around them. Tell Me Why The Moon Changes Shape t offers answers to their most compelling questions about the lunar phases. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about the world around them. Tell Me Why There is Day and Night offers answers to their most compelling questions about the rotation of the earth. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about the world around them. Tell Me Why We Have Tornadoes offers answers to their most compelling questions natural disasters and weather. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about animals. Bats Sleep Upside Down offers answers to their most compelling questions about why bats hang upside-down at night. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about themselves. I Get the Hiccups offers answers to their most compelling questions about hiccups and how to stop them. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about animals. Spiders Weave Webs offers answers to their most compelling questions about why spider webs. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.