In Sinkholes, readers will learn how sinkholes have been carving out the earth's landscape for millions of years and the warning signs of a potential sinkhole in the making. This title will allow students to track historical facts and future improvements while gauging their understanding with a variety of reading comprehension tools.

The Devastating Disasters series captures readers' attention with captivating photographs, descriptions, and factoids of catastrophes ranging from technology failure to destructive weather. Each 48-page book features engaging before- and after-reading sections that prompt readers to understand the impact these events have on society and the environment.