Pair-it books. Fluency stage 4

Provides information on a number of different animals--mammals, birds, reptiles, insects--that are an endangered species in the wild, and includes information on their habitats and population. Includes glossary and organizations to contact for further information.

Vince and his computer Jane, enjoying the San Carlos River in 2097, travel back in time to offer their assistance when they find a century-old message from two young people trying to alert the town that the river is in trouble.

A young hermit crab named Poncho de Leon encounters exotic animals and experiences thrilling adventure when he sets out to find Lost Island, a place his grandfather searched for and never found during his days as an explorer.

Provides information about the importance of clean water, air, and land; discusses what happens when those three elements become polluted; and explains how individuals can help fight against pollution.

Introduces ten inventors whose ideas solved problems and made the world better, including Stephanie Kwolek, inventor of Kevlar; Elisha Otis, who developed a safe elevator; and Vladimir Zworykin, whose ideas made television possible.