Un día de trabajo de un biólogo molecular (A Day at Work with a Molecular Biologist)

Summer is the time for sunshine and sand, long days, and of course, vacation! Welcome in Summer with this delightful fiction title, which features a narrator and the fun activities they explore with their family and friends. Readers learn all about what makes Summer special and are encouraged to draw connections between the text and their own lives. Colorful illustrations allow readers to visualize concepts presented in the text, bringing this engaging narrative to life. Simple, age appropriate language is perfect for young readers.

Un nuevo caso de la detective Sonia Ruiz. El lado oscuro es la segunda entrega de la colección SeisDoble, escrita por uno de los grandes del género negro español que vuelve a demostrarnos aquí por qué es uno de nuestros narradores más leídos. 'Esta es una de mis mejores novelas', asegura el autor, 'porque la he escrito para mi placer y diversión, y me lo he pasado tan bien escribiéndola que me he olvidado del lector, cosa poco frecuente en mí'.

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

Do you have something to celebrate? You can celebrate by making papel picado! Featuring vibrant step-by-step photo instructions, this Spanish-translated, nonfiction book helps introduce children to another culture through craft-making and designs.

Los refranes son fases que circulan entre los pueblos de modo oral y reflejan la sabiduría popular. Carlos Silveyra propone en este libro variantes divertidas de los refranes más conocidos, con remates y salidas inesperadas, propias de la picardía infantil. Este material surge de boca de los chicos de distintas latitudes de nuestro país y fue recopilado por el autor durante sus muchos años de experiencia docente.