La reproducción de las plantas (Plant Reproduction)

"Adivinancero dos, además del cúmulo de adivinanzas populares, contiene más de cien nuevas creaciones de los autores, quienes se dieron a la tarea de ocultar entre sus versos enigmas novedosos por descubrir. En este segundo tomo se han incluido textos de Sor Juana y Quevedo, quienes a través de juegos de palabras hacen referencia velada a personajes de la época. Una adivinanza siempre representa un desafío a la inteligencia de quienes participan en su solución."--gandhi.com.mx

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

Meet six women who did great things. They were leaders in politics, civil rights, healthcare, science, and sports. They helped and inspired others. All of them followed their dreams. Discover the journeys they took. This inspiring Spanish book introduces second grade students to the lives of notable women including Marie Curie, Clara Barton, Wilma Rudolph, Rosa Parks, and more. Engaging images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience.