Como Se Hacen los Ninos / How Are Babies Made

Hubo un tiempo en que muy poco se sabía de nuestro mundo. Se pensaba que en los mares había monstruos inmensos capaces de tragar un barco entero. Se pensaba también que la Tierra era plana y que al final de los mares había un precipicio donde los navegantes caían sin retorno. Pero, a pesar de estas ideas que hoy nos parecen alocadas, hubo alguien llamado Cristóbal Colón que se animó a unir el continente europeo y el americano en un viaje que sería inolvidable. En ese viaje no se encontró con monstruos enormes ni con serpientes gigantes. Al final de ese viaje se encontró, nada más...

Need it or want it — what's the difference? Needs are things people cannot live without, such as food, water, and shelter. Let's explore the differences between the concepts of needs and wants! The Me Pregunto (I Wonder) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

History is full of unsolved crimes, mysterious disappearances, and strange sightings. Readers will discover some of the most well-known mysteries in history--including Amelia Earhart, Big Foot, and the Salem Witch Trials--in this fascinating, Spanish-translated nonfiction book. Featuring detailed images, intriguing facts, and informational text in conjunction with a glossary of terms and an index, readers will be enthralled from beginning to end!

This work narrates the meeting of two young students who in a chance chat, begin to play with stars and numbers and learn about physics, chemistry and astronomy. They learn that science is in everyday life so that we imagine it is not a restricted area, only for the geniuses, but a tool, a way of life, a passion.