Juvenile literature History 112 Biography 90 Science 47 Experiments 40 Miscellanea 30 Animals 25 Social life and customs 21 Handicraft 19 World War, 1939-1945 19 Astronomy 18 Islamic stories, Malay 18 United States 17 Geography 16 Politics and government 15 Vocational guidance 15 Plants 14 Social conditions 13 Graphic methods 11 Holocaust, Jewish (1939-1945) 11 Nutrition 11 Civilization 10 Curiosities and wonders 10 Pictorial works 10 Questions and answers 10 Weather 10 Botany 9 Computer network resources 9 Dinosaurs 9 Electricity 9