Cross-referenced research literature and technical manuals completely matching the keyword registry records for Ecology.
The Illustrated Directory of Popular Flowering Plants
Trees
Water, Ice, And Stone: Science and Memory on the Antarctic Lakes
Who, What, When, Where, Why: In the World of Nature (Barron's Whiz Quiz)
Gasp!: The Swift and Terrible Beauty of Air
After the Ark: Religious Understandings of Ourselves and Other Animals
The Living Landscape: An Ecological Approach to Landscape Planning