Piedra de toque

November 1940. A circus parade walks through the streets of Warsaw, waving a flag and singing. They are 160 Jewish children, forced by the Nazis to leave their beloved orphanage. It's a sad occasion, but led by Doctor Korczak, their inspirational director, the children are defiantly joyful. Their new home is in the ghetto, a prison for Jews. Two years later they board the train that will carry them away to the death camps. Offered his freedom, Doctor Korczak refuses to abandon the children and proudly joins them on their last journey. This profoundly moving illustrated book is based on the...

On April 7, 1805, Sacagawea left Fort Mandan to begin the famous westward exhibition with Lewis and Clark. With over 100 black-and-white illustrations, Sacagawea's fascinating journey and life story comes to life in Spanish!

Siete Unidades Didácticas: "Bienvenidos al universo Cortázar" (I y II); "El gran teatro de tu mundo"; "El amor en el túnel del tiempo"; "Letra y música"; "Soledad, dolor y denuncia: Poesía española del siglo XX"; "Museo de épocas de la poesía española". Cada unidad pretende la motivación del alumno mediante su relación con el entorno, su actividad, su protagonismo y su interés por la lectura; trabaja la Lengua y Literatura como algo inseparable.

Ice cream is a solid. But when it melts, it becomes a liquid. Solids can change to liquids and back again by melting and freezing. Read this Spanish-translated book to learn what happens when heat and cold and solids meet.