Mimicry, and Other Protective Resemblances Among Animals

The Everything Kids' Science Experiments Book: Boil Ice, Float Water, Measure Gravity-Challenge the World Around You!

The Malayan Papilionidæ or Swallow-tailed Butterflies, as Illustrative of the Theory of Natural Selection

On the Parrots of the Malayan Region, with Remarks on Their Habits, Distribution, and Affinities, and the Descriptions of Two New Species

Praying Mantis

On the Habits of the Butterflies of the Amazon Valley

Swirl by Swirl: Spirals in Nature

List of Birds Collected in the Island of Bouru (One of the Moluccas), with Descriptions of the New Species

DKfindout! Human Body

The Beetle Book

An Egg Is Quiet

My, Oh My-A Butterfly! All About Butterflies

Apple Trees

Whales Gr. 2-3

High? Low? Where Did It Go? All About Animal Camouflage

Body

Feathers: Not Just for Flying

Urban Biologist Danielle Lee