"A historical account--including eyewitness quotes--of the devastating 1912 sinking of the ocean liner Titanic and its effect on maritime safety regulations, ending with how the disaster is memorialized today"--
"A historical account--including eyewitness quotes--of the devastating 1941 attack on the American naval base at Pearl Harbor and its wartime aftershocks, ending with how the disaster is memorialized today"--
"A historical account--including eyewitness quotes--of the devastating 2010 explosion on the Deepwater Horizon oil rig and the resulting oil spill's harmful environmental impact, ending with how the disaster's victims are memorialized today"--
"A historical account--including eyewitness quotes--of the devastating 1986 explosion of the space shuttle Challenger and its effect on NASA's programs, ending with how the disaster is memorialized today"--