Inteligencia artificial: computadoras y máquinas inteligentes (Artificial Intelligence: Clever Computers and Smart Machines)

Many animals and insects build their homes in trees or visit trees to feed from their fruit, flowers, and leaves. Trees are not unlike great buildings, where creatures protect themselves—amongst their branches or in the nooks of their trunks—against predators or harsh weather. Trees are also of great use to human beings, as they provide us with food, shelter and medicines. The outstanding photographs in this book show how some animals relate to different tree species, while also revealing curious details of specific trees.

OF COURSE you think I was the bad guy, terrifying poor little Jack. You don't know the other side of the story. Well, let me tell you... Fully translated Spanish text. SEGURO que piensas que yo soy el malo del cuento y que me dedico a aterrorizar al pobre Juan. No conoces el otro lado de la historia. Pues bien, te la voy a contar...

A family wants to share a pizza, but who gets how much? And how do they know? The answer is mathematical equations! Mathematical equations can be applied to food measurement, the human body, and even outer space! Students will answer different questions on mathematical equations in the book Comenzó con una pizza (It Started With Pizza). Used in the classroom or at home, this Spanish text includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.

Estás creciendo y en tu cuerpo se producen cambios, este libro te ayudará a entenderlos. Si eres una chica: llega la menstruación, tus pechos se hacen notar, aparecen pelos y te quieres depilar. Si eres un chico: te sucede algo desconocido mientras duermes, descubres nuevas sensaciones, transpiras mucho y no te quieres bañar. La licenciada Alicia Guzmán te cuenta cómo es esta etapa única del crecimiento, maravillosa y a la vez difícil: la pubertad. Con los dibujos de Petisuí sonreirás como quien se mira al espejo. Autora: Alicia Guzmán