En serio, Juan y sus frijoles son unos horrores!

Why do some things heat up quickly while others don't? How can heat cause matter to change form from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at different objects' molecular makeup, this book describes the fundamentals of heat and furthers understanding through a series of easy experiments.

Las plantas viven en distintas zonas climáticas y, a través de millones de años, han ido generando estrategias para adaptarse al medio que las rodea. En este libro te enseñamos a observarlas y entender que en el mundo de las plantas cada detalle está ahí por alguna razón. ¡Todo por sobrevivir!

From the water they drink to the trees they climb, kids are connected to the natural world in big and surprising ways. With simple, poetic text and exquisite artwork, this book does more than introduce kids to these connections. It sparks their imagination. It starts conversations, and it delights all ages. Combining the ideas of environmental author Elin Kelsey with the inventive three-dimensional dioramas of artist Soyeon Kim, this remarkable picture book reveals ties that are often sensed yet seldom explained. And in a world dominated by technology, never have these incredible connections...

This companion Spanish edition of Courteous Kids provides a convenient resource for children who are still developing their English proficiency or who want to share books at home in Spanish-speaking households.