"Relevant images match informative text in this introduction to sea horses. Intended for students in kindergarten through third grade"--Provided by publisher.

"Relevant images match informative text in this introduction to moray eels. Intended for students in kindergarten through third grade"--

"Relevant images match informative text in this introduction to spiny lobsters. Intended for students in kindergarten through third grade"--

"A clownfish darts into the tentacles of a sea anemone. Safe at last! Other fish don't stand a chance against the anemone's painful stings. But the clownfish is immune! This special skill is one of many adaptations detailed in this simple title clownfish in coral reefs. Special features include additional information such as range, conservation status, life span, and diet."--

Discusses the workings of the body's immune defense system; whathappens when this system functions perfectly, too vigorously, or not at all; and current research in immunology.