How did untidy doctor change the world? who really invented the radio? And what on earth inspired engineers to try to build a space rocket? Lift the flaps to discover the amazing stories behind some of the world's most ground-breaking inventions.
Presents some of the characteristics of inventors by describing the inventions of people such as Alexander Graham Bell, Thomas Edison, and Eli Whitney.'
Buku ini berisi segala hal tentang makanan--baik yang menyehatkan maupun yang tidak menyehatkan untuk tubuhmu serta dilengkapi alasannya.
perkataan yang tajam dari mulut mungil Aletta membuat hati sayur mayur sakit. Tak pernah mereka merasa tak seberguna itu.
Provides answers to a variety of questions about the human body.
Why should you stay seated on the bus? How do bus drivers keep you safe? What are emergency exits? Look inside to find the answers to these questions and more. By learning a few rules, you can stay safe on the school bus