Experimentos sencillos con sólidos y líquidos

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these feathered dinosaurs face to face: The Caudipteryx had feathered arms and a tail that looked like a pom-pom! The Sinovenator may have used colorful feathers to attract a mate! The Microraptor may have used its feathers to glide...

Describes jet-powered hydroplane boats, including information on their design and speed. Written in English and Spanish.

A grandmother teaches her grandchildren using traditional Spanish-language sayings. The follow-up to Qué cosas dice mi abuela by Ana Galan. Grandma and her grandchildren visit a farm. Once again, Grandma advices the children in a fun and unique way. La abuela y sus nietos visitan una granja. Una vez más, la abuela aconseja a los niños de una forma divertida y única.

Eleven-year-old Jenny, whose family came from Russia to America to start a new life, meets the famous Russian composer on his 1891 trip to the New World and writes about it in her diary.