Provides information on reservoirs, including service reservoirs, embankment reservoirs, and valley-dammed reservoirs.

Blizzards can be particularly dangerous weather events, especially for the unprepared. People out in the storm are at risk for hypothermia and frostbite, and those inside have to worry about power and phone outages. Cars may get stuck on the highway, and pilots may feel unsure about landing a plane. Readers learn the severity of blizzards of the past, including 2010's "Snowmageddon," as well as how these blizzards form. Dramatic, full-color photographs...

Discusses the cause of America's Civil War and its consequences.

Introduces the programming needed to construct and operate Lego Mindstorms robots.

"Zombies are truly terrifying monsters--but they've never been described as helpful before! This high-interest book shows readers and zombie hunters alike how the walking dead can help interpret data in different kinds of graphs, including picture graphs and bar graphs. Young mathematicians will love the creepy illustrations as well as the fun fact boxes detailing more information about the origins and legends concerning these scary creatures."--

"Everyone knows some ghosts are helpful spirits--they may even help with math! In this high-interest volume, a unique mix of eerie info and math exercises, young mathematicians can practice their subtraction skills using illustrated ghost models as well as hone their mental math strategies. The comprehensible text provides valuable hints that readers can apply to all kinds of subtraction equations they may encounter. Fact boxes about ghosts and eerie...

Discusses the events that led to the Boston Massacre and who was held responsible.