Describes the evolution of the first cell, cellular structures, and the processes by which cells reproduce and form tissues.

An introduction to the physical characteristics, behavior, and development of crocodiles, reptiles that are in danger from both animal and human predators.

Hundreds of thousands of beetles live all over the world in habitats as diverse as swamps, rainforests, and deserts. The Life Cycle of a Beetle describes the growth and development of these fascinating insects from egg to adult. Full-color images of all kinds of beetles, from the familiar to the extraordinary, are included. Illustrations and photographs illuminate topics such as: • where beetles lay their eggs • the transformation from larva to...

"Along a stream a dam pops out of the water. Beavers are busy at work! These aquatic mammals have unique traits that aid them in building the perfect lodge to raise young beavers and keep predators away. Mary Holland's vibrant photographs document the beavers' activities through the course of a year. Do these beavers ever take a break? Follow along as they pop through the winter ice to begin the busy year of eating bark, building dams and gathering...

Have you ever wondered what it would be like to be a wolf? What would you do in the cold winter months? Where would you sleep? What would you eat? Spend a year in the world of wolves in One Wolf Howls. This adventurous children's book uses the months of the year and the numbers 1 through 12 to introduce children to the behavior of wolves in natural settings. The lively, realistic illustrations of Susan Detwiler complement the rhyming text and bring...

One cold, rainy, spring night, a young girl and her scientist father participate in "Salamander Night" to follow hundreds of spotted salamanders as they venture into a vernal pool to mate and lay eggs. Together, the father-child team studies the salamanders through their complete amphibian metamorphosis, culminating in the adult salamanders' disappearance into the woods in late summer. In easy-to-understand text, the girl relates the tale through...

Get a close-up view of the life of a dandelion.