This title explores real-life people whose endurance is so amazing, it seems like a superpower! Readers will learn what endurance is and the factors that affect endurance and meet people whose endurance is superhuman! Aligned to Common Core Standards and correlated to state standards.

This title explores real-life people whose strength is so amazing, it seems like a superpower! Readers will learn what strength is, how muscles affect strength, and meet people whose strength is superhuman! Aligned to Common Core Standards and correlated to state standards.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.

Photographs and simple text introduce homonyms, words that are spelled and sound the same but have different meanings.