Title: Latin America & the Caribbean: A Continental Overview of Environmental Issues, Author: Kevin Hillstrom
Title: Europe: A Continental Overview of Environmental Issues, Author: Kevin Hillstrom
Title: North America: A Continental Overview of Environmental Issues, Author: Kevin Hillstrom
Title: Intermediate Science, Author: John W. Butzow
Title: Asia: A Continental Overview of Environmental Issues, Author: Kevin Hillstrom
Title: The 100 Most Important Chemical Compounds: A Reference Guide, Author: Richard L. Myers