Holly Keller Reihenfolge der Bücher (Chronologisch)

树是一种非常有价值的自然资源。人类从树上采集果实,动物在树上安家、觅食。最重要的是,我们离不开树,因为树能提供给我们所需要的氧气。树给予我们许多丰富多彩的产品。我们必须保护树,没有它们,我们就无法生存。

Once there was a caterpillar named Farfallina, whose best friend was a gosling named Marcel. They did everything together -- until one day, everything started to change.This beautiful and touching story shows that even as life takes different turns, friendship endures.

An award-winning author and artist explain how every link in a food chain is important because each living thing depends on others for survival. "Clear, simple drawings illustrate the clear, simple text. Informative and intriguing, this basic science book leads children to think about the complex and interdependent web of life on Earth."'BL. Outstanding Science Trade Books for Children 1996 (NSTA/CBC)

Describes the metamorphosis from tadpole to frog.

Winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series A tadpole is a baby frog! Female frogs lay masses of jelly-coated eggs in the water, but what hatches from each egg isn't a frog yet—it's a tadpole. Tadpoles are likely tiny fish that breathe underwater through gills. As the tadpole gets older, it loses its fishy tail and its gills and grows legs and develops lungs. The tadpole has become a frog. From Tadpole to Frog is a lovely first look at this amazing metamorphosis.

When Rosie is unable to visit her grandmother in the hospital, she sends her a special present instead.