Cuevas de murciélagos (Inside Bat Caves)

El profesor Eleazar Barajas es hijo mayor del Señor Alejandro Barajas Santoyo. Nació el 2 de junio de 1952 en Lombardía, Michoacán, México, Sus padres se divorciaron cuando tenía cinco años de edad y por esa causa, juntamente con su hermano menor, Israel Barajas, fueron puestos por su padre en el Internado de nombre Casa Hogar “El Buen Pastor” en la ciudad de Morelia, Michoacán, México. Cuando cumplió sus diecisiete años de vida, decidió estudiar en el Seminario y comenzó su carrera ministerial en el Instituto Bíblico de Puebla (Estado de Puebla, México) donde estudió por...

Count, sort, and classify the dress-up hats, cowboy hats, and silly hats! Beginning readers will enjoy learning to classify and sort objects with this brightly illustrated Spanish book. Featuring vivid images and easy-to-read text, this full-color book develops students' math and reading skills and introduces them to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy with this engaging text!

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a circuit and find out how to fix the problem. This nonfiction book is ...