Gatos Persas

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

This simple introduction to the symbols, celebration, and traditions of Christmas looks at the holiday from a child's point of view.

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...