"Family problems Juvenile fiction." . . "Family life Fiction." . . "Schools Fiction." . . "Relaciones humanas Novela." . . "Self-confidence Juvenile fiction." . . "Family problems Fiction." . . "Interpersonal relations Fiction." . . "Families Juvenile fiction." . . "JUVENILE FICTION / General" . . "Interpersonal relations Juvenile fiction." . . "Familias Novela." . . "Geometría Novela." . . "Schools Juvenile fiction." . . . . "Children's stories." . . "City and town life Juvenile fiction." . . "Geometry Juvenile fiction." . . "City and town life Fiction." . . . . "El proyecto tetraedro" . . . "Juvenile works" . "Juvenile works"@en . . . . . . . . . . . . . . . . . "Young adult fiction" . "Young adult fiction"@en . . . . . "Five urban middle school students, their teacher, and other community members relate how a school project to build the world's largest tetrahedron affects the lives of everyone involved."@en . . . "Five urban middle school students, their teacher, and other community members relate how a school project to build the world's largest tetrahedron affects the lives of everyone involved." . . . . . . . . . . "Fiction"@en . . . "Fiction" . . . . . "Young adult works"@en . "Young adult works" . . "All of the above a novel" . "All of the above a novel"@en . . . "All of the above : a novel"@en . . "All of the above : a novel" . . . . . . . . . "All of the Above"@en . . . "Electronic books"@en . "Children's stories"@en . . . . . "School stories." . . "Confianza en sí mismo Novela." . . "Geometry Fiction." . . "Self-confidence Fiction." . . "Vida urbama Novela." . .