La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

Teaches Young Readers About Shapes And Patterns Using The Seasons Of The Year And Pictures Of Nature.

In one of his works, Barthes wrote; "If I was a writer and I was dead, I would like that my life be reduced through the care of a friendly and confident biographer, to some details ... whose distinction and mobility could be translated out of any destiny."And Calvet has made it.

Claudio Pozzani, por su actividad cultural y sus presentaciones artísticas, ha sido definido por el poeta y dramaturgo español Fernando Arrabal como “maestro de lo invisible, instigador de los sueños, ladrón de fuego: su corazón danza en la alcoba festiva”.

Even the smallest tide pools are actually entire ecosystems! The creatures that call a tide pool home are connected through food chains that represent the passing of energy from one living thing to another. Readers discover how these unique food chains all come together as they view a helpful tide pool food web. Fun fact boxes accompany informative text about life in a tide pool. Detailed photographs of tide pool ecosystems introduce readers to a variety of cool creatures.