Me Pregunto (I Wonder) Señales y símbolos de tránsito

Esta colección esta basada en los juegos del mismo nombre para Palm creada en la década pasada por Ricardo Garay. Son personajes que a parte de tener diferentes formatos, provienen del mismo planeta directamente a la Tierra. Descubren que este planeta es muy diferente de lo de ellos. En este libro los Buckle Blobs llegan al planeta Tierra en busca de vida inteligente. El libro presenta el planeta Tierra durante el periodo prehistórico, demuestra dinosaurios del aire, mar y tierra en un viaje interesante y educativo.

Until just over 150 years ago, northern Mexico extended thousands of kilometers farther than its current border with the United States. Many different indigenous groups flourished in that region before the Conquistadors arrived. What we know about their lives and customs is the result of archeological discoveries and the chronicles of the first Spanish priests and soldiers that had contact with them.

Now in Spanish—What do dogs dream about? Find out the answer to this question and more, with questions covering topics like volcanoes, helicopters and surfers.

The Underground Railroad was the massive effort by slaves and free people to secretly bring thousands of blacks to freedom in the North during the 19th century. This thought-provoking book will capture readers’ imaginations and fill them with awe for the brave “conductors” and “passengers” on the Railroad. They’ll learn about the many safe havens, called “depots,” that housed fugitives and the secret passages within them that hid slaves from their pursuers. Information about the American Civil War and the Fugitive Slave Act, biographies of figures vital to the Underground Railroad,...