John Brown: El Ataque a Harpers Ferry/John Brown's Raid on Harpers Ferry

Appealing artwork complements important facts about historical figures and famous battles in the United States, offering an accessible alternative for struggling and reluctant readers. "

Pura Belpré Illustrator Honor 2018 ALA Notable Children's Book 2018 New York Times/New York Public Library Best Illustrated Children's Book of 2017 Barnes & Noble Best Book of 2017 Smithsonian Top Ten Best Children's Book of 2017 Frida Kahlo y sus Animalitos, written by Monica Brown and illustrated by John Parra, is based on the life of one of the world's most influential painters, Frida Kahlo, and the animals that inspired her art and life. Brown's story recounts Frida's beloved pets—two monkeys, a parrot, three dogs, two turkeys, an eagle, a black cat, and a fawn—and playfully...

Darwin se dio a la tarea de observar diferentes especies de plantas y animales y así concluyó que todas ellas se modifican de acuerdo con las condiciones del entorno en el que viven y las características que necesitan adoptar para lograr su supervivencia. En El origen de las especies encontrarás conceptos como selección natural, evolución y variabilidad, que todavía son válidos en el estudio moderno de las ciencias naturales.

Alex Chico -- Urbano Pérez Sánchez -- Fernando de las Heras -- Angela Sayago Martínez -- Ursula Rodríguez -- David Yáñez -- Fernando Pérez Fernández -- Julián Portillo -- Francisco Fuentes -- Víctor Martín Iglesias -- Víctor Peña Dacosta -- Angela Cayero -- Francisco José Najarro Lanchazo -- Antonio Rivero Machina -- Patricia Amigo

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.