World book 2001. vol. 17 S-Sn / Mary Alice Anderson

Portada ilustrada, mapa, cuadro

Education and cultural life, safety at home, where accidents happen in the united states, chief causes of accidental deaths in the united states, safety home, school, recreation, on the job, safety in transportation, in public places, safety during emergencies, working for safety, on the job kinds of sailboats, sailing a boat, sailboat racing.

Col. Enc