Desafíos matemáticos

Juneteenth is usually celebrated on June 19. It honors the day in 1865 when Union troops swept into Galveston, Texas, and told the elated slaves there that they were free. This accessible volume delves into the American Civil War, the Emancipation Proclamation, and the events that led to this special holiday for African Americans and everyone who celebrates the end of slavery in the United States. Carefully chosen photographs reflect this special commemoration, both in the past and today.

What does it mean to be a good citizen? Full-page, color photographs accompany real-life examples of good citizenship that young readers will understand, relate to, and be inspired by.

In the third book in Andrea Camilleri's Montalbano series, the urbane and perceptive detective exposes a nest of corruption and international intrigue in a compelling new case. When an elderly man is stabbed to death in an elevator and a crewman on an Italian fishing boat is shot by a Tunisian patrol boat, only Montalbano suspects the link between the two incidents.

LIBRO 1 de la serie bilingüe MAMI NATURALEZA Atrévete a mirar por el microscopio donde encontrarás, allí abajo, un mundo de formas diminutas, colores fantásticos y amiguitos que quieren saludarte. ¿Quienes son estas bacterias? ¿Donde viven? ¿Qué hacen en su tiempo libre? Hola bacteria es para niños pequeños que les desborda la curiosidad. Dan sus primeros conceptos sobre las bacterias - un tema muy interesante para los más pequeños y rara vez tratado en libros de edades tempranas. Que aprendemos: La idea del microscopioPorque debemos de lavarnos las manosUnas formas básicas de...