Bøker av Percy Leed

Audisee(R) eBooks with Audio combine professional narration and sentence highlighting for an engaging read aloud experience! Each year typhoid fever affects up to 20 million people. Readers will uncover how scientists are fighting back with clean water and vaccination.Dive deep into the Deadly Diseases series-part of the UpDog Books collection. Discover what causes these illnesses, the symptoms behind them, and what is being done to stop the spread. At the end of the book, read two patients' symptoms and decide which one has the sickness.

Audisee(R) eBooks with Audio combine professional narration and sentence highlighting for an engaging read aloud experience! The bubonic plague wreaked havoc in the fourteenth century. Learn about the germ that causes the illness, how fleas spread it, and how putting sailors in quarantine slowed the spread.Dive deep into the Deadly Diseases series-part of the UpDog Books collection. Discover what causes these illnesses, the symptoms behind them, and what is being done to stop the spread. At the end of the book, read two patients' symptoms and decide which one has the sickness.