Construyendo una casa

The first Thanksgiving was a celebration. The pilgrims were thankful for the harvest they planted. Find out what the pilgrims ate for the first Thanksgiving. Paired to the fiction title A Year of Fun.

Animals sing or talk to communicate. They make noise for different reasons. Find out why some animals make certain noises. Paired to the fiction title So Many Classes.

Different types of birds eat different things to live. Some birds eat worms. Some eat fish. Find out what different birds need to eat to live. Paired to the fiction title Hungry For Worms.

People all over the world love pets. Some pets are popular in certain areas of the world. Let’s find out about the popular pets around the world. Paired to the fiction title The Perfect Pet.

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...

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 causes sound? How does sound travel? Sound begins when matter vibrates. Without this vibration sound could not move and nothing would make any noise. Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments that will appeal to readers of all ages.

La muy interesante historia del bribón español Pedro Chamijo, “el falso Inca”, toma en la pluma de Roberto Payró un simpático tono que no por eso oculta por completo la tragedia que para las tribus nativas sudamericanas representaron la ignorancia y brutalidad de los conquistadores españoles, sumada a su propia torpeza política. Escrita con agilidad y humor, esta es la historia acerca de la leyenda del Gran Paitití, el Gran Padre Blanco custodio de la ciudad creada por los Incas para refugio contra los extranjeros, que según antiguas tradiciones se apoderarían del país, y su rol ...