Millicent E Selsam

A little boy experiments to see what things grow when planted, and then collects all kinds of seeds to plant everywhere he goes.

Greg gets a microscope and has a fascinating time looking at sugar and salt crystals, thread, hairs, and cells.

Easy-to-read science text traces the fertilization of the egg and the growth and hatching out of the chick.

Explains the basic things to look for when learning to observe and identify various kinds of birds.

An introduction to the many places birds make their nests, such as chimneys, cliffs, bushes, traffic lights, and window ledges, and the unusual things that might be built into the nests.

Text and illustrations introduce aquatic reptiles that swam in the oceans more than 70 million years ago.

As the reader turns the page, a new animal is added to an illustration of a country home in the winter.

A young girl keeps three caterpillars she found and watches as they spin their cocoons and become moths.

Text and drawings follow the growth cycle of twelve common flowering trees: pussywillow, white oak, sugar maple, elm, apple, horse chestnut, flowering dogwood, magnolia, witch hazel, black walnut, black locust, and tulip tree.

Compares and contrasts the physical characteristics, habits, and natural environment of seals, sea lions, and walruses.